| Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/303424 |
| Date | January 1987 |
| Creators | University of Arizona. Office of Arid Lands Studies. |
| Publisher | Office of Arid Lands Studies, College of Agriculture, University of Arizona (Tucson, AZ) |
| Source Sets | University of Arizona |
| Language | en_US |
| Detected Language | German |
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