TY  - BOOK
AU  - Lester R.Brown
TI  - State of the world 1987 : : a worldwatch institute report on progress toward a sustainable society / 
SN  - 0393023990
U1  - 338 
PY  - 1987///
CY  - New York : 
PB  - W.W. Norton and Company
KW  - Economics - Production
KW  - World economics
ER  -