A STUDY OF PHYLLOXERA INFESTATION IN CALIFORNIA AS RELATED TO TYPES OF SOILS Tech. Bull. No. 20

Door: NOUGARET, R.L. & MACY H.LAPHAM

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• ISBN:
• Uitgever: Washington D.C. 1928 38 p. ill. bijl. (code Sc-116)
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• Categorie: science
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• € 7.00