.245
a	the First general catalogue of double-star observations made in Belgrade, 1951-1971
h	Buku-Bacaan Pendukung
.100
a	POPOVIC, Georgije M.
.005
a	20161229084949
.260
a	Beograd
b	Publikacije Astronomske opservatorije u Beogradu
c	1974
.041
a	Inggris
.084
a	523.809 4971 POP
.336
a	Buku-Bacaan Pendukung