1. AIR Programme, 1993a. AIR-CT93-1089. 1993–1997. Cynara cardunculus network.
2. AIR Programme, 1993b. AIR-CT-931671. 1994–1996. Development of a standard methodology for integrating non-food production in rural areas with niche energy markets.
3. Biomass Department – CRES, 2004. Annual activities (in Greek). Center for Renewable Energy Sources, Pikermi, Athens, Greece.
4. Environmental effects on asexual reproduction in Arundo donax;Boose;Weed Research,1999
5. Census, 2001. National Statistical Service of Greece.