TY  - BOOK
AU  - Hawley,Amos H., x
AU  - x
TI  - Human ecology: A theory of community structure
SN  - x
U1  - 301.3/HAH 
PY  - 1950///
CY  - N.Y.
PB  - Ribald Press
KW  - Ecology
KW  - Sociology
N1  - x
ER  -