1. On the development of the pollen grain and anther of some Onagraceae;Beer;Beitr. Bot. Zentralbl.,1906
2. Ultrastructure de l'exine de l'Arnebia decumbens (Vent.) Coss. et Kral. et Cerinthe major L. (Boraginacées);Ben Saad-Limam;Pollen Spores,1982
3. Ultrastructure of the exine of Borago officinalis L. (Boraginaceae);Ben Saad-Limam;Grana,1984
4. Pollen pore development and its spatial orientation during microsporogenesis in the grass Sorghum bicolor;Christensen;Am. J. Bot.,1974
5. The mode of the growth of the inner layer of the pollen grain exine in Lilium;Dickinson;Cytobios,1971