TY  - BOOK
AU  - ROVEN,PETER H.
AU  - BERG,LINDA R.
AU  - JOHANSON,GEORGE B.
TI  - ENIVRONMENT / 
U1  - 333.7 
PY  - 1992///
CY  - [S.N] : 
PB  - SAUNDERS COLLEGE PUBLSHING ، 
KW  - ENVIRONMENT
KW  - HUMAN ECOLOGY
ER  -