1. P. Albertano, and C. Urzi .1999 .Structural interactions among epilithic cyanobacteria and heterotrophic microorganisms in Roman hypogea .Microb Ecol,38:244 -52 .
2. PS Amy, DL Haldeman, and D. Ringelberg .et al.1992 .Comparison of identification systems for classification of bacteria isolated from water and endolithic habitats within the deep subsurface .Appl Environ Microbiol,58:3367 -73 .
3. C. Ascaso, J. Wierzchos, and R. Castello .1998 .Study of the biogenic weathering of calcareous limestones caused by lichen and endolithic microorganisms .Int Biodeter Biodegr,42:29 -38 .
4. F. Azam, T. Fenchel, and JG Field .et al.1983 .The ecological role of water-column microbes in the sea .Mar Ecol Prog Ser,10:257 -63 .
5. F. Cappitelli, E. Zanardini, and C. Sorlini .2004 .The biodeterioration of synthetic resins used in conservation .Macromol Biosci,4:399 -406 .