Introduction to ground-water hydraulics : a programmed text for self-instruction /

le Bennett, Gordon Daniel, 1931-
Washington : U.S. Govt. Print. Off, 1976

Introducciʹon a la hidrʹaulica de aguas subterrʹaneas : un texto programado para auto-enseñanza /

le Bennett, Gordon D.
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, the Survey, 1987