TY  - BOOK
AU  - Shapley,Harlow
TI  - Galaxies
T2  - The Harvard books on astronomy
AV  - QB853 .S47 1961
U1  - 523.113 
PY  - 1961///
CY  - Cambridge
PB  - Harvard University Press
KW  - Stars
KW  - Clusters
ER  -