Aphids On The World's Crops - An Identification And Information Guide



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Aphids On The World's Crops - An Identification And Information Guide
R. L. Blackman, 1984
ISBN10: 0471904260    ISBN13: n/a

The crops and their aphids; The aphids; Techniques; Sources of information; Photographic guide.

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0471904260 PDF is available as a free download.