Tsiafouli, M., Stamou, G. P., & Sgardelis, S. P. (?????.).  (1999).  LITTER DECOMPOSITION AND BIODIVERSITY OF SOIL ARTHROPODS IN AN EVERGREEN-SCLEROPHYLLOUS FORMATION ON MOUNT HORTIATIS, GREECE. ??? EURECO '99 - The European Dimension in Ecology - Perspectives & Challenges for the 21st Century. ????????????? ??? September 18-23, Halkidiki, Greece.: European Ecological Federation.

Tsiafouli, M., Monokrousos, N., Papatheodorou, E., Argyropoulou, M. D., Sgardelis, S., Diamantopoulos, I., & Stamou, G. P. (?????.).  (2004).  Organic Agriculture and Soil Quality. ??? 10th MEDECOS Conference. ????????????? ??? April 25 - May 1, Rhodes, Greece: Millpress, Rotterdam.