000
00244nam a2200121Ia 4500
100
_a
Gupta AK
245
_a
Material Science
250
_a
2nd
260
_c
1983
_b
S.Chand & Co.
_a
New Delhi
300
_a
558
700
_a
Gupta RC
942
_c
BK
999
_c
10955
_d
10955