000 00383nam a2200133Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
100 _aGoodman, D.
245 0 _aTechnological essays 12-14. 12- the electrical industry, 13- electrical communic
_cD. Goodman
260 _aMilton Keynes
_bOpen University Press
_c1984
300 _a70
942 _2ddc
_cBK
999 _c17458
_d17458