000
00275nam a2200097Ia 4500
008
190428s9999||||xx |||||||||||||| ||und||
100
_a
Das, P.N.
_9
12601
245
_a
Electronic devices and their applications
250
_b
1972. 412
260
_b
Oxford and IBH. Calcutta, India
999
_c
12469
_d
12469