TY  - BOOK
AU  - BROWN, Lester
TI  - The Twenty-Ninth Day: : accommodating human needs and numbers to the earth's resources363 p.W.W. Norton 
SN  - 0-393-05673-2
PY  - 1978///
CY  - New York, Estados Unidos
PB  - W.W. Norton 
KW  - Ecología
KW  - Política
ER  -