00377pam a2200145a 44500008004100000020000900041041001200050082000900062100003400071245004800105250000600153260005500159300000800214650000900222230515b1989    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aN.D.  a"Golding E. W. , Widdis F.C."  aElectrical Measurements & Measuring Instru.  a0  aNULLbChopra Y. D. For Wheelar A. H. Companyc1989  a952  aNULL