TY  - BOOK
AU  - Burnham Philip c
AU  -  Ellen Roy F Ed.
TI  - Social and ecological systems
T2  - Association of Social Anthropologists moograph 18. Social Science Research Council
U1  - Y:(G:5), L9 
PY  - 1979///
CY  - London
PB  - Acadamic Press         
KW  - Sociometry
N1  - Bibiliography chapterwise
ER  -