00375nam a2200121Ia 450000500170000000800410001708200160005810000170007424500680009126000350015950400320019465000270022620240911061741.0190213s9999    xx            000 0 und d  a519.92bWAR  aWard,Jhon R. 4aThe Signal Flow Graph in  Linear System Analysis/cJhon R. Ward  aLondon:bPrentice Hall ,c1968  aIncludes references & index  aLinear System Analysis