1. Achituv, Y. (2001) Effects of biological soil crusts on water redistribution in the Negev Desert, Israel: A case study in longitudinal dunes, ecological studies, In: I. Belnap and O.L. Lange (eds.) Biological soil crusts: Structure, Function and Management, Springer Verlag, Berlin, pp. 303–314.
2. Aleksakhina, T.I. (1971) Soil algae in the rhizosphere of the dominant plants of forest biogeocenoses. Silviculture Laboratory, Academy of Science of the USSR, No. 1: 45–52.
3. Akiyama, M. (1961) Aerial und terrestrial algae in San-In Region of Honshu, Japan. Bull. Shimane Univ. Nat. Sci.
10: 75–83.
4. Bailey, D., Mazurak, P.A. and Rosowski, J.R. (1973) Aggregation of soil particles by algae. J. Phycol.
9: 99–101.
5. Brand, F. (1925) Analyse der aerophilen Grünalgenanflüge, insbesondere der proto- pleurococcoiden Formen. Arch. Protistenk. 52: 265–354.