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Byrnes، B. H.؛ Savant، N. K.؛ Craswell، E. T. (1983). "Effect of a Urease Inhibitor Phenyl Phosphorodiamidate on the Efficiency of Urea Applied to Rice". Soil Science Society of America Journal. Wiley. ج. 47 ع. 2: 270–274. DOI:10.2136/sssaj1983.03615995004700020020x. ISSN:0361-5995.
Savant، N. K.؛ James، A. F.؛ McClellan، G. H. (1988). "Effect of soil bulk density on inhibition of hydrolysis of surface‐applied granular urea containing phenyl phosphorodiamidate in unsaturated soil". Communications in Soil Science and Plant Analysis. Informa UK Limited. ج. 19 ع. 2: 193–204. DOI:10.1080/00103628809367931. ISSN:0010-3624.
Byrnes، Bernard؛ Vilsmeier، Klaus؛ Austin، Ernest؛ Amberger، Anton (1989). "Degradation of the urease inhibitor phenyl phosphorodiamidate in solutions and floodwaters". Journal of Agricultural and Food Chemistry. American Chemical Society (ACS). ج. 37 ع. 2: 473–477. DOI:10.1021/jf00086a044. ISSN:0021-8561.
Fillery، IRP؛ Datta، SK؛ Craswell، ET (1986). "Effect of phenyl phosphorodiamidate on the fate of urea applied to wetland rice fields". Fertilizer Research. Springer Science and Business Media LLC. ج. 9 ع. 3: 251–263. DOI:10.1007/bf01050351. ISSN:0167-1731.