00000nam a2200000 a 4500 20251203091225.0 511.6 BER Berge, C. Combinatorial mathematics North Holland 1983 ix,670p. 22cm. PB. Combinatorial mathematics _ 34718 LIBSC C 34476 34476 0 0 0 0 PU PU 2000-01-13 0 511.6 BER 34718 BK