000
00262nam a2200133 4500
003
OSt
082
_a
621.3813 GUP
100
_a
Gupta, K C
245
_a
Microwaves
250
_a
2nd
260
_a
New Delhi
_b
New Age
_c
2012
300
_a
242-p
942
_2
ddc
_c
BK
999
_c
3401
_d
3401