TY  - BOOK
AU  - McKenzie,Roderick D.
AU  - Hawley,Amos H.
TI  - On human ecology
U1  - 301.3 MCK 
PY  - 1968///.
CY  - Chicago : 
PB  - University of Chicago, 
KW  - Human ecology
N1  - Include bibliography
ER  -