000
00251nam a2200097Ia 4500
008
220201s1985 xx 000 0 eng d
100
_a
Dingra,KK etc.
245
0
_a
T.B of negineering mathematics
260
_b
India publishing House
_c
1985
942
_2
ddc
999
_c
83473
_d
83473