1. Prehistory in Shanidar Valley, Northern Iraq
2. Leroi-Gourhan A. ibid. 190 562 (1975);
3. Bull. Soc. Prehist. Fr. 65, 69 (1968).
4. Stewart T. D., Sumer 29, 8 (1963).
5. Al-Rawi A., Wild Plants of Iraq, with Their Distribution (Iraq Ministry of Agriculture, Directorate General of Agricultural Research and Projects, Technical Bulletin No. 14, Baghdad, 1968).