TY  - BOOK
AU  - Bulman,O.M.B.
TI  - Patterns of colonial development in Graptolites
T2  - Journal Linnean Soc. of London-Zool
PY  - 1958///
CY  - -ING
PB  - 
KW  - Graptolites
KW  - Paleontologia
KW  - Geologia
ER  -