000			00503nam a2200169Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9781439806227 _c(hbk)
082			_223 _a511.6 _bWAL
100			_aWallis, W. D.
245		0	_aIntroduction to combinatorics
260			_aBoca Raton: _bCRC Press, _c2011
300			_axvi, 380 p.; _bill.: _c24 cm.
490			_aDiscrete mathematics and its applications
650			_aCombinatorial analysis -- Textbooks
700			_aGeorge, J. C.
942			_2ddc _cBK
999			_c20486 _d20486