????????, ?., & ?????????-???????????, ?. (?????.).  (1994).  ?????? ??? ??????????????? ??? ?????????? ??????? ??? ??????? ??? ??????? ??????. ??? ???????? ???????? ?????????? ????????? - 16° ?????????? ?????P??. ????????????? ??? 5-7 ?????, ?????: ???????? ???????? ?????????? ?????????.

Vourdoumpa, S. A., & Gritzalis, K. C. (?????.).  (2006).  INFLUENCE OF NONREGULATED AND REGULATED RIVERS? FLOW ON AQUATIC BENTHIC FAUNA DIVERSITY (CASE STUDY: LOUSIOS AND LADON R. PELOPONNESUS, GREECE)?. ??? 8? ?????????? ???????? ????????????? & ???????. ????????????? ??? 4-8 ???????, ???????????: ???????? ?????? ????????? ???????.