TY  - BOOK
AU  - Stephen,Alexander Charles
AU  - Edmonds,S.J.
TI  - The phyla Sipuncula and Echiura,
T2  - [British Museum (Natural History)] Publication
SN  - 0565007173
AV  - QL391.S5 S8 1972
U1  - 595/.17 
PY  - 1972///
CY  - London
PB  - British Museum (Natural History)
KW  - Sipuncula
KW  - Zoology
KW  - Echiura
N1  - Includes index; Bibliography: p. 474-508
ER  -