TY  - BOOK
AU  - Burch William R Ed.
TI  - Reading in ecology, energy and human  society :  Co   
T2  - Herper and Row's contemporary perspectives reader series. Ed by Phillip Whitten
U1  - Y:(G:5), L7 
PY  - 1977///
CY  - New York 
PB  - Harper & Row       
KW  - Sociometry
ER  -