GRIGORIADIS, N., DONTH, S., THEODOROPOULOS, K. and ELEFTHERIADOU, E. 2005. ESTABILISHMENT OF HABITAT MONITORING SYSTEM IN AGRA WETLAND (PELLA, GREECE). Annali di Botanica. 5, (Jun. 2005), 23–38. DOI:https://doi.org/10.4462/annbotrm-9208.