题名	责任者	出版社	索书号
Introductory combinatorics = 组合数学 / 3rd ed.	Brualdi, Richard A.	China Machine Press,	O157.1/B886=3
A course in combinatorics = 组合数学教程 / 2nd ed.	Lint, Jacobus Hendricus van,	China Machine Press,	O157.1/L761=2