TY  - BOOK
AU  - Paludan, Johan Peter.
AU  - Kristensen, Thorkil,
CN  - QH541
CN  - QH541
CY  - Boulder :
DA  - 1988.
ID  - 134272
KW  - Ecology.
KW  - Environmental protection.
KW  - Human beings
KW  - Conservation of natural resources.
PB  - Westview Press,
PP  - Boulder :
PY  - 1988.
SN  - 0813374863 (alk. paper)
T1  - The Earth's fragile systems :perspectives on global change /
TI  - The Earth's fragile systems :perspectives on global change /
ER  -