Simpson, P. G., Sale, P. W. G., & Tennakoon, S. B. (1997). An economic analysis of the field performance of North Carolina reactive phosphate rock compared with single superphosphate for selected sites from the national reactive phosphate rock project. East Melbourne: Organización de Investigación Científica e Industrial de la Commonwealth.
Citación estilo ChicagoSimpson, P. G., P. W. G. Sale, and S. B. Tennakoon. An Economic Analysis of the Field Performance of North Carolina Reactive Phosphate Rock Compared With Single Superphosphate for Selected Sites From the National Reactive Phosphate Rock Project. East Melbourne: Organización de Investigación Científica e Industrial de la Commonwealth, 1997.
Cita MLASimpson, P. G., P. W. G. Sale, and S. B. Tennakoon. An Economic Analysis of the Field Performance of North Carolina Reactive Phosphate Rock Compared With Single Superphosphate for Selected Sites From the National Reactive Phosphate Rock Project. East Melbourne: Organización de Investigación Científica e Industrial de la Commonwealth, 1997.