Knuth, Donald E. Art of computer programming : fundamental algorithms / By Donald E. Knuth. - 3rd ed. - New Delhi : Pearson Education , 2008 . - xiii, 762p. ; 24 cm. - 1 . ISBN: 9788177587548 Subjects--Topical Terms: Mathematical preliminariesBinary tree representation of trees Dewey Class. No.: 005.73 / KNUD