TY  - BOOK
AU  - Ryland,J.S.
TI  - Bryozoans
T2  - Biological sciences
SN  - 0091038707
U1  - 594.67 RYL/B 
PY  - 1970///
CY  - . - London
PB  - : Hutchinson
KW  - Bryozoa
N1  - Bibliography: p. [161]-168
ER  -