000
00253nam a2200109 4500
008
160616s 000 0
245
_a
Microwave power engneering
100
_a
Okress, E.C
500
_a
D65 K8
942
_c
BK
_2
BK10680
080
_a
621.38 OKR
999
_c
10680
_d
10680