000 00589nam a2200193 4500
001 10922
005 20130606094904.0
008 111112s9999 xx 000 0 und d
050 _aTK872
_b.G39 1969
100 1 _aGAYFROD M.L.
245 1 0 _amodern relay techniques:
_b/
_c m.l. gayford
250 _a1ed.
260 _aUK
_bNewnes-Butterworths
_cC.1969.
300 _a"vi, 149p.;
_c24 cm."
_b12 plates. illus., form
440 _aSTC monograph no. 1
500 _aIncludes bibliographical references.
650 0 _xELECTRIC RELAYS.
_926070
942 _2lcc
_cBK
_hTK872
_k.G39 1969
999 _c30616
_d30616