TY  - BOOK
AU  - Webb,Joseph Ernest
AU  - Wallwork,John Anthony
AU  - Elgood,J.H.
TI  - Guide to invertebrate animals
SN  - 0333247450 (pbk)
U1  - 592.012 23
PY  - 1975/// [reprinted 1981]
CY  - London
PB  - Macmillan
KW  - Invertebrates
KW  - Classification
N1  - Includes index
ER  -