Chalabi, Z. S., Milford, G. F. J. and Day, W. 1986. Stochastic model of the leaf area expansion of the sugar-beet plant in a field crop. Agricultural and Forest Meteorology. 38 (4), pp. 319-336. https://doi.org/10.1016/0168-1923(86)90020-1
Cochrane, J. and Baker, C. R. 1985. Annual and diurnal-variations in soil temperatures at Kew, Great-Britain. Agricultural and Forest Meteorology. 34 (2-3), pp. 235-240. https://doi.org/10.1016/0168-1923(85)90023-1