1. Crop Production in Dry Areas, Volume II: Systematic Treatment of the Principal Crops;Arnon,1972
2. Status and Potential of Some Oilseed Crops in the WANA Region;Beg,1993
3. Evaluation of safflower in North Syria: varieties and seeding dates at three sites;Beg,1997
4. Effects of date of seeding and supplemental irrigation on hybrid and open-pollinated safflower production in southern Italy;Cazzato,1997
5. Potential yield of fall and spring-sown safflower as compared to sunflower, durum wheat and barley;Corleto,2001