Hart, W. (1972). Study guide for agricultural pest control advisers on nematodes and nematicides. University of California.
Chicago-čujuhus (17. p.)Hart, Winfield. Study Guide for Agricultural Pest Control Advisers on Nematodes and Nematicides. Berkeley: University of California, 1972.
MLA-čujuhus (9. p.)Hart, Winfield. Study Guide for Agricultural Pest Control Advisers on Nematodes and Nematicides. University of California, 1972.
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