000
00291nam a2200121Ia 4500
008
220201s1985 xx 000 0 eng d
100
_a
HUGHES EDWARD
245
0
_a
ELECTRICAL TECHNOLOGY
250
_a
2
260
_a
LONDON
_b
ELEMENT OF RADIO SURVEYING
_c
1985
300
_a
710
942
_2
ddc
999
_c
90396
_d
90396