000
00315nam a2200133Ia 4500
008
210901s1943 xx 000 0 eng d
082
_a
537 SCH
100
_a
Schelkunoff,S.A
245
0
_a
Electromagnetic waves
260
_a
New York
_b
D.Van Norstrand
_c
1943
300
_a
514
650
_a
Physic
942
_2
ddc
_c
BK
999
_c
2602
_d
2602