Luchini S, Watson V. Uncertainty and framing in a valuation task. J Econ Psychol. 2013 Dec;39:204-14. doi: 10.1016/j.joep.2013.08.001
Maughan GL, Gnanasakthy A, Cooke DA. The effects of soil-applied granular pesticides on the establishment and yield of sugar-beet in commercial fields. Crop Prot. 1984 Dec;3(4):439-50.