TY  - BOOK
AU  - Brown,Lester Russell
TI  - Twenty-ninth day : accommodating human needs and numbers to the earth's resources 
SN  - 0393056732
AV  - GF41 .B76 1978
U1  - 304.28 22
PY  - 1978///
CY  - New York 
PB  - W W Norton
KW  - Human ecology
KW  - Natural resources
KW  - Population
KW  - Environmental policy
N1  - "A Worldwatch Institute book."; Includes index; Bibliography: p. [345]-350
ER  -