| Item Description: | Papers based on the proceedings of the Advanced Study Institute (ASI) sponsored by NATO, held Oct. 1991 at the Chγateau de Bonas near Toulouse, France. |
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| Physical Description: | x, 290 p. : ill. ; 25 cm. |
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| Bibliography: | Includes bibliographical references and index. |
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| ISBN: | 0792331664 |
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