00309nam a2200109Ia 4500003000400000008004100004040001600045082001800061245005700079260005300136300001000189GCL140319s9999    xx            000 0 eng d  aGCL / cGCL04a621.3822bZ S10aSignals and Systems: Continuous and Discrete, 3rd ed  a[S.N] : bMacmillan Publishing Company ، c1993  a624 P