TY  - BOOK
TI  - Exploring new ethics for survival: the voyage of the spaceship Beagle
SN  - 0140216995 (pbk.)
AV  - HB871 .H347 1977
PY  - 1977///.
CY  - Harmondsworth
PB  - Penguin
KW  - Birth control
KW  - Human ecology
KW  - Population
N1  - Includes bibliographical references and index.
ER  -