Alaimo, R.; Aureli Grifeo, A.; Fidelibus, M.D.; Tulipano, L. (1989). Chemical and isotopical methodologies in the studies on origin and evolution of groundwaters flowing in the coastal carbonate and karst aquifer of Apulia (southern Italy). Natuurwet. Tijdschr. 70(1-4): 317-325, more

Barbieri, G.; Barrocu, G.; Ranieri, G. (1989). Salt-water intrusion control with electric barriers. Natuurwet. Tijdschr. 70(1-4): 231-237, more

Beekman, H.E.; Appelo, C.A.J. (1989). Fresh- and salt-water intrusion: laboratory experiments and geochemical transport modelling. Natuurwet. Tijdschr. 70(1-4): 247-255, more

Besselink, L.A.M. (1989). PATRAC: development and application of a groundwater-quality model for variable density flow. Natuurwet. Tijdschr. 70(1-4): 109-116, more

Boehme, J.; Ludwig, R. (1989). Isoptope studies of the hydrology of the Gorleben area, FRG. Natuurwet. Tijdschr. 70(1-4): 256-262, more

Boehmer, W.K.; Mühlenbruch, W. (1989). Numerical models in designing tube-well irrigation and drainage of an aquifer with a fresh/salt interface. Natuurwet. Tijdschr. 70(1-4): 117-131, more

Clark, I.D.; Ravenscroft, P.; Fritz, P. (1989). Origin and age of coastal groundwaters in Northern Oman. Natuurwet. Tijdschr. 70(1-4): 75-84, more

Custodio, E.; Pascual, M.; Bayo, A.; Bosch, X. (1989). Processes in the mixing zone in carbonate formations: central and southern Catalonia. Natuurwet. Tijdschr. 70(1-4): 263-277, more

de Ruiter, J.C. (1989). Tools for investigating the origin of anomalies in chloride content of groundwater in coastal lowlands. Natuurwet. Tijdschr. 70(1-4): 278-287, more

Dirks, F.J.H.; Rismianto, D.; de Wit, G.J. (1989). Groundwater in Bekasi District, West Java, Indonesia. Natuurwet. Tijdschr. 70(1-4): 47-55, more

Farid, M.S.M. (1989). A hydraulic management approach for salt-water intrusion using two-level pumping mechanism. Natuurwet. Tijdschr. 70(1-4): 238-244, more

Goldenberg, L.C.; Mandel, S. (1989). Some processes in the sea-water/fresh-water interface, as influenced by the presence of gases. Natuurwet. Tijdschr. 70(1-4): 288-299, more

Goldman, M.; Arad, A.; Kafri, U.; Gilad, D.; Melloul, A. (1989). Detection of fresh-water/sea-water interface by the time domain electromagnetic (TDEM) method in Israel. Natuurwet. Tijdschr. 70(1-4): 329-344, more

Gonzalez Martinez, A.; Antiguedad Auzmendi, I.; Sancho Villasante, V.; Beltran Lucena, R. (1989). The application of the factor-analysis method to study the origin and evolution of the salinization in the Aquifer System n°25 (Huelva province, Spain). Natuurwet. Tijdschr. 70(1-4): 220-228, more

Jinno, K.; Berndtsson, R.; Momii, K.; Hosokawa, T. (1989). Estimation of the lateral dispersivity in a homogeneous isotropic coastal aquifer. Natuurwet. Tijdschr. 70(1-4): 300-307, more

Kooiman, J.W. (1989). Modelling the salt-water intrusion in the dune water-catchment area of the Amsterdam Waterworks. Natuurwet. Tijdschr. 70(1-4): 132-142, more

Lebbe, L.; Walraevens, K. (1989). Hydrochemical study of a cross-section through the coastal plain and its surroundings near the French-Belgian border. Natuurwet. Tijdschr. 70(1-4): 56-64, more

Lebbe, L.; Walraevens, K. (1989). Hydrogeological SWIM-excursion to the western coastal plain of Belgium. Natuurwet. Tijdschr. 70(1-4): 359-375, 1 map, more

Maas, C.; Emke, M.J. (1989). Solving varying density groundwater problems with a single density computer program. Natuurwet. Tijdschr. 70(1-4): 143-154, more

Münstermann, D.; Josopait, V. (1989). Hydrogeological situation and groundwater monitoring in the area of the 'Dollart Port Project' in Lower Saxony, Federal Republic of Germany. Natuurwet. Tijdschr. 70(1-4): 65-74, more

Peters, J.H. (1989). Prediction of the chloride content in the abstracted water of the 'De Groeve' well field. Natuurwet. Tijdschr. 70(1-4): 155-164, more

Ranieri, G.; Barrocu, G.; Tocco, R. (1989). Salt-water intrusion monitoring by resistivity and IP-tomographic methods. Natuurwet. Tijdschr. 70(1-4): 345-348, more

Reeve, C.E. (1989). A comparison of different methods for representing the hydrodynamic tensor in numerical models. Natuurwet. Tijdschr. 70(1-4): 165-173, more

Rivera, A.; Ledoux, E. (1989). Modelling of a coastal aquifer in Mexico: the simulation of the salt-water interface motion. Natuurwet. Tijdschr. 70(1-4): 174-190, more

Sengpiel, K.-P. (1989). Results of airborne EM groundwater exploration in a desert area using the centroid depth algorithm for evaluation. Natuurwet. Tijdschr. 70(1-4): 349-356, more

Stakelbeek, A. (1989). Experiments on the movement of brackish water near infiltration and abstraction wells. Natuurwet. Tijdschr. 70(1-4): 191-199, more

Stuyfzand, P.J. (1989). Hydrochemical evidence of fresh- and salt-water intrusions in the Coastal Dunes Aquifer System of the western Netherlands. Natuurwet. Tijdschr. 70(1-4): 9-29, more

Thorborg, B.B.W.; Jousma, G. (1989). Development of a knowledge system for modelling fresh- and saline-groundwater flow. Natuurwet. Tijdschr. 70(1-4): 200-209, more

Tulipano, L.; Fidelibus, M.D. (1989). Temperature of groundwaters in coastal aquifers: some aspects concerning salt-water intrusion. Natuurwet. Tijdschr. 70(1-4): 308-316, more

van der Eem, J.P. (1989). Partially penetrating wells in a Dupuit type fresh/salt finite-element model. Natuurwet. Tijdschr. 70(1-4): 210-219, more

Van Meirvenne, M.; Hartmann, R.; De Boodt, M.; De Breuck, W. (1989). Salinization hazard in a polder soil of Belgium. Natuurwet. Tijdschr. 70(1-4): 85-94, more

Walraevens, K.; Lebbe, L.; Pede, K. (1989). Hydrogeological SWIM-excursion to the Black-Sluice polder area in the Flemish Valley of Belgium. Natuurwet. Tijdschr. 70(1-4): 376-395, more

Walraevens, K.; Lebbe, L. (1989). Groundwater quality in the Tertiary Ledo-Paniselian aquifer in Belgium as a result of fresh-water intrusion into sediments in chemical equilibrium with the sea. Natuurwet. Tijdschr. 70(1-4): 30-44, more

Zeuwts, L.; Lebbe, L.; De Breuck, W. (1989). Hydrochemistry of pore water from fine-grained sediments (clay, silt, peat) in the southern part of the western Belgian coastal plain: the Yser plain. Natuurwet. Tijdschr. 70(1-4): 95-106, more