Presented as thesis (Ph. D.)--University of Wisconsin--Madison, 1930. / Title from added collective thesis title page. Reprinted from Proceedings of the National Academy of Sciences. Part 1: vol. 14, no. 6 (June 1928), p. 439-445 ; Part 2: vol. 15, no. 7 (July 1929), p. 544-551. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608678321 |
| Date | January 1928 |
| Creators | Cardwell, Alvin B. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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