Methods and techniques of ground-water investigation and development /
United Nations.
- New York : United Nations, 1967.
- ix, 206 p. ; 28 cm.
- Water resources series no. 33 .
Includes bibliographical references.
74152343
International business enterprises.
Corporations, American.
551.49 / UNM
Includes bibliographical references.
74152343
International business enterprises.
Corporations, American.
551.49 / UNM