TY  - BOOK
AU  - Grzimek, Bernhard,
TI  - Grzimek`s Animal Life Encyclopedia Vol. 1: Lower Animals
U1  - 591 
PY  - 1974///
CY  - New York
PB  - Van Nostrand Reinhold Co.
KW  - Specific topics in natural history
KW  - Zoology
ER  -