TY  - BOOK
AU  - Pickford, Grace E.
TI  - Vampyroteuthis infernalis chun: an archaic dibranchiate cephalopod 
PY  - 1946////48
CY  - Copenaghen : 
PB  - Carlsberg Foundation
N1  -  I. natural history and distribution; II. External anatomy
ER  -