1. Epilithic and chasmolitic microflora (Cyanophyta, Bacillariophyta) from marbles of the Parthenon (Acropolis-Athens, Greece);Anagnostidis;Nova Hedwigia,1983
2. Interrelationships between algae and fungi overgrowing stoneworks in natural habitats;Andreoli,1988
3. Soil stabilization by a prokaryotic desert crust: implications for precambrian land biota;Campbell;Origins of Life,1979
4. Phycological studies II. Some algae from arid soils;Chantanachat;University of Texas Publication no. 6218,1962
5. The roles of resting spores and akinetes in chlorophyte survival;Coleman,1983