00325pam a2200145a 44500008004100000020000900041041001200050082000900062100002300071245002300094250000600117260003900123300000800162650000900170230515b1976    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aN.D.  aLowenberg Edwin G.  aElectronic Circuit  a0  aNULLbMcgraw- Hill Book Com.c1976  a274  aNULL