000 00317nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _bHEN
100 _aHenson, C. S.
245 0 _aSolution of problems in electronics & telecommunication
260 _aLondon
_bSir Isaac Pitman
_c1968
300 _a403
942 _2ddc
999 _c18774
_d18774