TY  - BOOK
AU  - Harmer, S F, Ed., Shipley, A E, Ed.
TI  - Cambrigde natural history, Vol.01: Protozoa, Porifera, Coelenterata and ctenophora, Echinodermata
U1  - 591  HAR-C.01 
PY  - 1959///
CY  - Wheldon and Wesley Ltd., England
KW  - Natural history of animals
ER  -