TY  - BOOK
AU  - Durr,William K.
AU  - Windley,Vivian O.
AU  - Earnhardt,Kay S.
TI  - Galaxies
SN  - 0395108543
U1  - 523.112 D937 1971 
PY  - 1971///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Galaxies
N1  - Includes glossary
ER  -