00374nam a2200145Ia 450000100060000000300040000600500170001000800410002704000110006804100080007908200230008710000170011024500810012770000200020816947Ost20260507155543.0251113s9999||||xx |||||||||||||| ||eng||  cnitttr  aeng  a510.246213bB532M   aBird,  J. O. 0aMathematics for electrical technicians Leval 3 /cBird, J. O., May, A. J. C.  a May,  A. J. C.