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  1. 1
  2. 2

    Pyrethrum plant investigations in Colorado by Gnadinger, Charles B.

    Published 1936
    Online Access
    Government Document Electronic eBook
  3. 3

    Pyrethrum flowers : production, chemistry, toxicology, and uses /

    Published 1995
    Conference Proceeding Book
  4. 4

    Pyrethrum, the natural insecticide

    Published 1973
    Full Text (via ScienceDirect)
    Electronic Conference Proceeding eBook
  5. 5

    Pyrethrum investigations in Colorado. by Gnadinger, Charles B.

    Published 1933
    Search for the full-text version of this title in HathiTrust
    Government Document Book
  6. 6

    Pyrethrum plant investigations in Colorado / by Gnadinger, Charles B.

    Published 1936
    Government Document Book
  7. 7

    Harvesting pyrethrum / by Sievers, A. F. (Arthur Frederick), 1885-

    Published 1941
    Government Document Book
  8. 8

    Pyrethrum investigations in Colorado. by Gnadinger, Charles B.

    Published 1933
    Online Access
    Government Document eBook
  9. 9

    Relative insecticidal value of commercial grades of pyrethrum / by McDonnell, C. C. (Curtis Criss), 1875-

    Published 1930
    Government Document Book
  10. 10

    Pyrethrum post.

    Request a PDF (UCB only)
    Journal
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