TY  - BOOK
AU  - Bergh, Sidney Van den.
TI  - Galaxy Morphology and Classification / 
SN  - 0-521-62335-9
U1  - B9 
PY  - 1979///
CY  - Cambridge CB2 1RP : 
PB  - Press Syndicate of the University of Cambridge , 
KW  - Mathematics <Galaxy>
ER  -