Martin, George Edward, Counting: the art of enumerative combinatorics / George E. Martin - New York Springer-Verlag 2001 - xi, 250 p. : ill. ; 24 cm. - Undergraduate texts in mathematics . Euro: 74.99TB742/07 ISBN: 9780387952253 (hbk.) Subjects--Topical Terms: Combinatorial enumeration problems. Dewey Class. No.: 511.62 MAR