TY  - BOOK
AU  - Brown, Lester R.
TI  - State of the World, 1991: : A Worldwatch Institute Report on Progress Toward a Sustainable Society / 
SN  - 9780393307337
AV  - HC59  .S4579 1991
U1  - 330.9047 23
PY  - 1991///
CY  - New York : 
PB  - W W Norton & Co Inc، 
KW  - Economic history
KW  - 1971-1990
KW  - Economic policy
ER  -