TY  - BOOK
AU  - Pratt, Henry Sherring
TI  - A manual of the common invertebrate animals: : exclusive of insects
U1  - 592 - Invertebrados 
PY  - 1935///
CY  - 
PB  - McGraw-Hill Book Company, 
KW  - Invertebrados
N1  - Incluye: introduction, list of authors, glossary, index; Protozoa.- Porifera.- Ctenophora.- Plathelminthes.- Mollusca.- Echinodermata; 1935
ER  -