TY  - BOOK
AU  - Brubaker,Sterling
TI  - To live on earth: : man and his environment in perspective
AV  - IRA QH541.B76 
PY  - 1972///.
CY  - Baltimore : 
PB  - Johns Hopkins Press
KW  - Ecology
KW  -  Conservation and natural resources
KW  - Human ecology
N1  - Includes bibliographical references and index
ER  -