TY  - BOOK
AU  - Buchsbaum,Ralph Morris
TI  - Animals without backbones: an introduction to the invertebrates 
PY  - 1966///
CY  - Harmondsworth
PB  - Penguin Books
KW  - Invertebrates
N1  - 'Further knowledge': p. 346-376; Includes bibiliographical refernces and indexes
ER  -