1. Basra, A. S. & Basra, R. K. (1997). Mechanisms of environmental stress resistance in plants. Amsterdam: Harwood Academic.
2. Benedikz, T., Ferrini, F., Garcia-Valdecantos, J. L. & Tello, M. L. (2005). Plant quality and establishment. Chapter 9. In C. C.Konijnendijk, K.Nilsson, T. BRandrup, & J.Shipperijn (Eds.), Urban forests and trees (pp. 231–256). Berlin/Heidelberg: Springer-Verlag GmbH.
3. Site, Scale and Time-course for Adjustments in Lateral Root Initiation in Wheat Following Changes in C and N Supply