000
00236nam a2200121Ia 4500
100
_a
GUPTA KUMAR
365
_c
RS
365
_d
1
942
_c
ENGBK
654
_a
245
_a
Solid State Physics
260
_b
K Nath & Co
_c
1985
_a
Delhi
999
_c
39384
_d
39384