Description
| Item Description: | Originally presented as the author's thesis (Ph. D.-- University of Pennsylvania)
Includes indexes. |
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| Physical Description: | xii, 297 p., [1] p. of plates : ill. ; 25 cm. |
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| Bibliography: | Bibliography: p. 265-280. |
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| ISBN: | 9004071199 (pbk.) |
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| ISSN: | 0169-9512 ; |
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