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Library of Congress Cataloging-in-Publication Data

Cohen, Elaine, 1946    Geometric modeling with splines : an introduction/Elaine Cohen, Richard F.Riesenfeld, Gershon Elber.      p. cm.   Includes bibliographical references and index.

QA565 .C656 2001

516.3'52 dc21 2001032921

Printed in Canada

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Dedicated

to Pierre B zier, Steven A. Coons, I. J. Schoenberg, and Ivan E. Sutherland, the giants on whose shoulders we stand. Their diverse, fundamental works and powerful visions provided the critical elements that have been forged into this increasingly important, multi-disciplinary field.