Showing 1 - 2 results of 2 for search 'Blackman, R. L. (Roger L.), 1941-', query time: 0.02s Refine Results
  1. 1
    Aphids on the world's crops : an identification and information guide /

    Aphids on the world's crops : an identification and information guide / by Blackman, R. L. (Roger L.), 1941-

    Published 2000
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  2. 2
    Aphids on the world's herbaceous plants and shrubs /

    Aphids on the world's herbaceous plants and shrubs / by Blackman, R. L. (Roger L.), 1941-

    Published 2006
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