1. Batanouny, K. H. &M. H. Batanouny., 1968—Formation of phytogenic hillocks. I-Plants forming phytogenic hillocks.Acta Bot. Acad. Sci. Hung. 14: 243–252.
2. Batanouny, K. H. &M. H. Batanouny., 1969—Formation of phytogenic hillocks. II-Rooting habit of plants forming phytogenic hillocks.Acta Bot. Acad. Sci. Hung. 15: 1–18.
3. Bioclimatic map of the Mediterranean zone.UNESCO/FAO, Arid zone research-XXI, 1963 N.S. 162/III, 22/A.
4. Braun-Blanquet, J., 1964-Pflanzensoziologie. Wien.
5. Emberger, L., 1955—Afrique du Nord-Désert, Ecologie végétale, compte rendu de recherches.Plant ecology rev. of res. Paris,UNESCO. 5: 219–249.