Update [based on]: Combinatorial algorithms for computers and calculators / Albert Nijenhuis and Herbert S. Wilf. 2nd ed. 1978.
Based on a series of ten lectures the author gave at the CBMS-NSF Conference on Selection Algorithms for Combinatorial Objects, held in 1987 at the Baca Grande campus of Colorado College.
Combinatorial algorithms : an update by Herbert S. Wilf. ISBN 0898712319. Published by SIAM in 1989. Publication and catalogue information, links to buy online and reader comments.