00353nam a2200121Ia 4500008004100000082002000041100002300061245003800084250000900122260002800131300000600159650006600165150614s9999    xx            000 0 und d  a004.0151  KOR-D  aRobert R. Koofhage  aDiscrete Computational Structures  aI ED  bAcademic Press NYc1974  a0  aDiscrete Computational Structures Robert R. Koofhage,Computer