Aouissat, M., D. Walker, M. Belkhodja, S. Fares, and E. Corral. “Freezing Tolerance in Algerian Populations of Atriplex Halimus and Atriplex Canescens”. Spanish Journal of Agricultural Research, Vol. 7, no. 3, Sept. 2009, pp. 672-9, doi:10.5424/sjar/2009073-452.