Van der Heijde, P. (1985). Groundwater management: The use of numerical models (2nd ed.). American Geophysical Union.
Chicago-viite (17. p.)Van der Heijde, Paul. Groundwater Management: The Use of Numerical Models. 2nd ed. Washington, D.C.: American Geophysical Union, 1985.
MLA-viite (8. p.)Van der Heijde, Paul. Groundwater Management: The Use of Numerical Models. 2nd ed. American Geophysical Union, 1985.
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