00784cam a2200241 4500 4099314 BD-DhUL 20170418110609.0 740307s1967 nyu bs i000 0 eng 74152343 DLC DLC DLC BD-DhUL 551.49 UNM United Nations. 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. International business enterprises. Corporations, American. United Nations Conference on Trade and Development. ddc REF 184590 184590 0 0 ddc 0 551_490000000000000_UNM 0 REF 320775 DUL DUL UNC 2017-04-18 Gift 551.49 UNM D4704 2017-04-18 2017-04-18 REF