000
00301nam a2200145Ia 4500
100
_a
Gupta/ A.
490
_v
I
942
_c
BK
654
_a
Calculations
245
_a
Workshop Calculations & Science
260
_b
New Heights
_a
Delhi
_c
1977
082
_a
500
300
_a
104
546
_a
ENGLISH
999
_c
29402
_d
29402