http://images-jp.amazon.com/images/P/0201558025.01.LZZZZZZZ.jpgAuthor:Donald.E.Knuth&RonaldL.GrahamWebsite:http://www-cs-faculty.stanford.edu/~knuth/gkp.htmlAmazonReviews:http://www.amazon.com/exec/obidos/tg/detail/-/0201558025/qid=1