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| Utgitt
| Ann Arbor, Mich. : University Microfilms Inc. , 1972
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| Omfang
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| Opplysninger
| Fotografisk opptrykk fra University Microfilms Inc., Ann Arbor, Mich.. - Avhandling (dr.philos.) - University of Virginia. The Faculty of the School of Engineering and Applied Science, 1972
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