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Copyright 1978 by J. B. Lippincott Company This book is fully protected by copyright, and, with the excep tion of brief excerpts for review, no part of it may be repro duced in any form, by print, photoprint, microfilm, or any other means without written permission from the publisher. Library of Congress Catalog Card Number 78-57614 Printed in the United States of America 3 5 64 GLEASON-000058