Crop protection agents : their biological evaluation : proceedings of the International Conference on the Evaluation of Biological Activity, held at Wageningen, the Netherlands, 16th-18th April, 1975 /Publisher: New York : New York : Academic Press,
Date: 1977. This title can be found in 2 Iowa libraries.
Herbicides and fungicides : factors affecting their activity : proceedings of a symposium arranged jointly by the Fine Chemicals and Medicinals Group of the Industrial Division, the Chemical Society and the Pesticides Group of the Society of Chemical Industry, Bangor, Wales, 15-17 September, 1976 /Publisher: London : Chemical Society,
Date: [1977] This title can be found in 2 Iowa libraries.
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