Grenander, Ulf. Elements of pattern theory / Ulf Grennder. - Baltimore : Johns Hopkins University Press, 1996. - xiii, 222 p. ; 26 cm. - John Hopkins series in the mathematical sciences . Includes bibliographical references and index. Open access. ISBN: 0801851882 LCCN: 9515912 Subjects--Topical Terms: Pattern perception.Pattern recognition systems.