000
00281nam a2200121Ia 4500
008
220201s1967 xx 000 0 eng d
082
_a
510
100
_a
Nath,Vishwa
245
0
_a
Engineering mathematics
260
_b
Tech India publication
_c
1967
300
_a
947
942
_2
ddc
999
_c
73349
_d
73349