Polya, George, 1887-1985. Notes on introductory combinatorics / George P olya, Robert E. Tarjan, Donald R. Woods. - Boston, MA. : Birkhauser, 1983. - 190p. ; 24cm. - Progress in computer science no. 4 . Bibliography: p.191. LCCN: 83-15790 Subjects--Topical Terms: Combinatorial analysis.