000 00341nam a2200157Ia 4500
100 _aYarwood/ A.
650 _aElectrical Engineering
490 _vII
942 _cBK
654 _aGraphical Communication
245 _aGraphical Communication
260 _bNelson
_aLondon
_c1983
082 _a1.5
300 _a96
546 _aENGLISH
999 _c25983
_d25983