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  1. By: Yerington, Albert P.,
    Publication info: [Washington],
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Yerington, Albert P., - United States. Science and Education Administration. Western Region.
    Publication info: [Oakland, Calif.], Dept. of Agriculture, Science and Education Administration [Western Region], [1979]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Yerington, Albert P.,
    Publication info: [Washington],
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library