Vissza |
Guirguis Liala A.: Infrared vibrational sulphate band shift correlation in alkaline sulphate minerals. In: Acta mineralogica-petrographica, (28). pp. 57-60. (1986)
Guirguis Liala A.; Wassef Samir N.: Infrared spectrophotometric study of the Egyptian economic beach minerals as well as their alteration and weathering products. In: Acta mineralogica-petrographica, (26) 1. pp. 27-32. (1983)
Guirguis Liala A.; Wassef Samir N.: On placer ilmenite composition. In: Acta mineralogica-petrographica, (25) 2. pp. 203-210. (1982)