000
00275nam a2200133Ia 4500
100
_a
GUPTA R B
650
_a
Material Science
365
_c
RS
365
_d
1
942
_c
ENGBK
245
_a
Material Science
260
_b
Satya Prakashan
_c
1992
_a
New Delhi
300
_a
542PP
999
_c
8916
_d
8916