TY  - BOOK
AU  - Bonn George S. Ed.
TI  - Information resources in environmental sciences
T2  - Allerton park institute; 18
U1  - 2:97 (G:55), L3 
PY  - 1973///
CY  - Illinois
PB  - Univ Of Illinois     
KW  - LIBRARY SCIENCE
ER  -