Syers JK, Mackay AD, Brown MW, Currie CD, « Chemical and physical characteristics of phosphate rock materials of varying reactivity », J Sci Food Agric, vol. 37, , p. 1057–1064 (DOI10.1002/jsfa. 2 740 371 102)
Taylor MD, « Accumulation of Cadmium derived from fertilisers in New Zealand soils », Science of Total Environment, vol. 208, , p. 123–126 (DOI10.1016/S0048-9697(97)00273-8).