TY  - BOOK
AU  - RASMUSSEN, Frederick .A
AU  - HOLOBINKO, Paul
AU  - SHOWALTER,Victor .M
TI  - Man and the environment: Life science investigations 
U1  - 573.2 
PY  - 1971///
CY  - Boston
PB  - Educational Research Council of America
KW  - Environment
KW  - Investigation
ER  -