00325nam a2200109Ia 4500008004100000020001800041040002900059050002200088100001400110245006300124260002800187230222s9999||||xx |||||||||||||| ||und||  a0-333-60056-8  cChuka University Library  aTK 7816 bW3 1994  aJ. Watson 4aThe motivate series :Practical electricity and electronics  aMacmillanbOxfordc1994