00330nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001600079245005000095260003500145300000800180650000800188221030s9999    xx            000 0 und d  a8121923158  aEnglish  a105.23  aB. R. Gupta 0aElectronics & Instrumentationcby B. R. Gupta  bS.Chand & Co.aNew Delhic2009  a530  aECE