Thesis (Ph. D.)--University of Pennsylvania. / "Reprint from Soil science, vol. XVI, no. 1, July, 1923." eContent provider-neutral record in process. Description based on print version record. Bibliography: p. 54.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/610566050 |
| Date | January 1923 |
| Creators | Kelley, Arthur Pierson, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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