TY  - BOOK
AU  - Brown, Lester R
TI  - Twenty-ninth day: accommodating human needs and numbers to the earth's resources
SN  - 0-393-05673-2
U1  - 301.31 21st
PY  - 1978///
CY  - New York
PB  - W W Norton
KW  - Human ecology; Natural resources; Population; Environmental policy
ER  -