00281nam a2200121Ia 4500100001700000366000700017654001800024245004100042260003300083082001800116300000800134546001700142  aWilliams/AL   f20  acircuit board  aBuild your own printed circuit board  bTata Mc Graw hill Ltd.c2004  a621.3815bWIL  a206  aENGLISHcTTL