TY  - BOOK
AU  - Greenwood,N.H., Edwards, J.B.M.
AU  - x
TI  - Human environments and naural systems: x
SN  - x
U1  - 304.2/GRH 
PY  - 1979///
CY  - Massachusetts
PB  - Duxbury Press
KW  - Human Ecology
KW  - Environment
N1  - x
ER  -