00717nam0-22002531i-450-990001133600403321000113360FED01000113360(Aleph)000113360FED0100011336020000920d1971----km-y0itay50------baengPrinciples of Combinatoricsby BergeNew York [etc.]Academic Press1971Mathematics in science and engineering72Berge,Claude<1925-2002>40970ITUNINARICAUNIMARCBK990001133600403321C-26-(7210938MA1MA1Principles of Combinatorics345286UNINAING01