Hale, Guy J. Applied data structures using Pascal / Guy J. Hale, Richard J. Easton. - Lexington, Mass. : D.C. Heath, c1987. - xiv, 524, 64 p. : ill. (some col.) ; 25 cm. Includes index. ISBN: 0669075795 LCCN: 85081813 LC Class. No.: QA76.73.P2 / H35 1987 Dewey Class. No.: 005.13/3