00666nam a2200217Ia 4500 0000008251 20251012174504.0 930503t19731972mdu b 001 0 eng d 0140216995 9780140216998 HB871 .H347 304.2 20 Exploring new ethics for survival : the voyage of the spaceship Beagle Garrett Hardin. Baltimore, Md. Penguin Books 1973, c1972. xii, 273 p. 24 cm. Includes bibliographical references and index. Birth control. Human ecology. Population. Pelican book A1699. 4573 4573 0 0 0 0 KEM KEM 2012-12-07 0 0000004533 2025-10-12 08:35:03 2025-10-12 OS