Van der Leij, M. 1987. The effect of nitrate on ammonium absorption and assimilation in Triticum aestivum L. var Zaragoza. University of Cape Town.

Van der Leij, M. (1987). The effect of nitrate on ammonium absorption and assimilation in Triticum aestivum L. var Zaragoza. (). University of Cape Town ,Faculty of Science ,Department of Biological Sciences. Retrieved from http://hdl.handle.net/11427/26715

Van der Leij, Martina. "The effect of nitrate on ammonium absorption and assimilation in Triticum aestivum L. var Zaragoza." ., University of Cape Town ,Faculty of Science ,Department of Biological Sciences, 1987. http://hdl.handle.net/11427/26715

Van der Leij M. The effect of nitrate on ammonium absorption and assimilation in Triticum aestivum L. var Zaragoza. []. University of Cape Town ,Faculty of Science ,Department of Biological Sciences, 1987 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/26715