TY  - GEN
AU  - Orton,J.H.
AU  - Southward,A.J.
AU  - Dodd,J.M.
TI  - Studies on the biology of limpets: II. The breeding of Patella vulgata L. in Britain 
PY  - 1956///
CY  - Cambridge : 
PB  - [s.n.], 
ER  -