00357nam a2200121Ia 4500008004100000020001800041041000800059082002700067100002300094245005500117260005500172300000800227211209s2004    xx            000 0 und d  a81-203-0752-6  aeng  a621.38154 O 04 HEL/COO  aHELFRICK, ALBERT D  aMODERN INSTRUMENTATION AND MEASUREMENT TECHNIQUES   aNEW DELHIbPRENTICE HALL OF INDIA PVT . LTD.c2004  a446