00255nam a22001097a 4500003000400000008004100004082001800045100001900063245002700082260002800109300000800137OSt230827b        |||||||| |||| 00| 0 eng d  a621.381bM29E  aM, Robert Paul  aElectronics Principles  aTMHbUBSPD, Patnac1984  a754