00293nam a2200121Ia 4500008004100000041001200041082001600053100001600069245005100085260002000136300000800156650000700164221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aJ. B. Gupta 0aCourse in Electronics & Electrical Measurement  aNew Delhic1995  a812  aEE