TY  - BOOK
AU  - S.W,Burnham
AU  - burnham,s.w.
TI  - A General Catalogue of Double Stars: Vol.I  Within  121 o  of the North Pole
U1  - B602B96f936 
PY  - 1906///
CY  - Washington
PB  - Carnegie Institution Publ.
KW  - Astronomy
KW  - Catalogue
KW  - Double Starws
ER  -