Groundwater modeling by the finite element method
MLA
Istok, J. D. Groundwater modeling by the finite element method. Washington, DC : American Geophysical Union, [1989]
APA
Istok, J. (1989). Groundwater modeling by the finite element method. Washington, DC : American Geophysical Union.
Chicago
Istok, J. D. Groundwater modeling by the finite element method. Washington, DC : American Geophysical Union, [1989]