TY  - BOOK
AU  - Ryland J S
TI  - Bryozoans
T2  - Hutchinson's university library : Biological sciences
U1  - K67, L0 
PY  - 1970///
CY  - London
PB  - Hutchinson university library       
KW  -  Vermes
KW  - Zoology
N1  - Appendix p
ER  -