TY  - BOOK
AU  - TIVY ,JOY
AU  - O'HARE GREG
TI  - HUMAN IMPACT ON THE ECOSYSTEM: CONCEPTUAL FRAME WORKS IN GEOGRAPHY
SN  - 9780050032039
AV  - GF 75 .T 58 1981  3
PY  - 1981///
CY  - EDINBURG, 
PB  - OLIVER AND BOYD
KW  - Human beings Effect of environment on the ecosystem
N1  - INCLUDES INDEX
ER  -