000
00308nam a2200133Ia 4500
008
210901s1968 xx 000 0 eng d
082
_a
512.7 SIN
100
_a
Singal, M.K
245
3
_a
An approach to numbers
260
_a
Delhi
_b
R.Chand
_c
1968
300
_a
220
650
_a
Mathematics
942
_2
ddc
_c
BK
999
_c
5654
_d
5654