00500nam a2200157Ia 4500 260810b |||||||| |||| 00| 0 eng d 9781439806227 511.6 W214.IC Wallis, W. D. 24824 Introduction to combinatorics / Boca Raton: CRC Press, 2011 xvi, 380p. Bibl. Index. Discrete Mathematics and its applications George, J. C. author. 24825 ddc BK 0 0 0 511_600000000000000_W214_IC 0 30231 ISI ISI 2010-12-10 RABA 3626.27 2 511.6 W214.IC DP28794 2019-11-18 00:00:00 2019-10-22 BK Ord num:7155; Ord dt:2010-11-22 31889 31889