TY  - BOOK
AU  - Allen, John, editor
ED  - Enriroment 89/90
TI  - Enviroment 89/90: Annual editions
U1  - 301.3105 A613:8 8a. ed.
PY  - 1989///
CY  - Virginia USA
PB  - The Dushkin Publishing Group
KW  - Medio ambiente y la sociedad
KW  - Ecología
KW  - Environment Addresses
KW  - Ensays, lectures
KW  - Ecology-Addresses
ER  -