000			00400nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a526.8
100			_aLorens,C.S.
245			_aFlowgraphs for the modeling and analysis of linear systems.
260			_aN.Y. _bMcGraw-Hill _c1964
300			_a178
650			_aAstronomy , Allied Sci.
653			_aAstronomy , Allied Science.
942			_2ddc _cBK
999			_c3719 _d3719