000
00252nam a22001097a 4500
082
_a
621.37GUP
100
_a
Gupta P V
245
_a
A course in electrical engineering materials
260
_a
New Delhi
_b
Dhanpat Rai
_c
1989
300
_a
344
942
_c
BK
999
_c
14718
_d
14718