Klausmeier, Herbert J. 1915- Conceptual learning and development : a cognitive view / Herbert J. Klausmeier, Elizabeth Schwenn Ghatala, Dorothy A. Frayer - New York : Academic Press, 1974 - xi, 283 p. : ill. ; 24 cm. Includes bibliographical references and index ISBN: 0124113605 Subjects--Topical Terms: Educational psychologyCognition (Child psychology)