00406nam a22001457a 4500003001200000005001700012008004100029020000600070040001200076082001500088100001900103245010700122260001100229650002000240NUST - PNEC20170116180924.0150905b        xxu||||| |||| 00| 0 eng d  a-  cLIBRARY  a620.7  WAR  aWard, John R.   aThe signal flow graph in linear systems analysis; a programmed textc John R. Ward and Robert D. Strum  cc.1968  aFlowgraphs	xEE