00302pam a2200121 a 4500020000500000041000800005082001500013100001200028245008400040250001000124260003100134300001500165  c  aeng  a537.5bHEL  aPall A.  a Modern Electronic Enstrumentation And Mesurement TechniqueshTextual Documents  a1997.  aNew Delhi:bPrentice Hall.  a446 Pages.