000
00272nam a2200109Ia 4500
008
220201s1966 xx 000 0 eng d
100
_a
Chawla, C Dass
245
0
_a
Practical engineering mathematics
260
_b
Delhi: New Asian Pub
_c
1966
300
_a
659
942
_2
ddc
999
_c
72985
_d
72985