TY  - BOOK
AU  - De,K.K.
TI  - Elements of astronomy: B.A. and B.Sc (Pass) 
U1  - 520 
PY  - 1968///
CY  - Calcutta
PB  - Book Syndicate
KW  - Astronomy
KW  - Textbooks
N1  - Includes index
ER  -