TY  - BOOK
AU  - Lester R. Brown et al.
TI  - State of the world 1990: : a Worldwatch Institute report on progress toward a sustainable society
SN  - 0393207880
PY  - 1990///
CY  - New York
PB  - Norton
KW  - Economic history
KW  - -1971
KW  - Addresses
KW  - Economic policy
ER  -