Thomas, W.; Fry, P.R. 1972: Cucumber systemic necrosis caused by a strain of tobacco necrosis virus. New Zealand Journal of Agricultural Research 15: 857-866.
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Thomas, W.; Fry, P.R. 1972: Cucumber systemic necrosis caused by a strain of tobacco necrosis virus. New Zealand Journal of Agricultural Research 15: 857-866. |