000 00283nam a2200109Ia 4500
999 _c21716
_d21716
020 _a0070376107
100 _aJohn D Lenk
245 _aMcGraw Hill Circuit Encylopedia and Troubleshooting Guide Vol - II
260 _c1994
_bMcGRAW HILL
_aNew Delhi
300 _axlii+691
942 _cREF