TY  - BOOK
AU  - Bonn, George S.
TI  - Information resources in the envirormental sciences
T2  - Allerton Park Institute
U1  - 333.72 
PY  - 1973///
CY  - Champaign, Ill.
PB  - University of Illinois
KW  - Medio ambiente
KW  - Servicios de información
ER  -