Seasonal variations in dissolved heavy metals in the Keritis river, Chania, Greece
by
Papafilippaki A.K., Kotti M.E. and Stavroulakis G.G.
Trace element accumulation in tree rings of pinus halepensis during the last 140 years
by
Pantera A., Papadopoulos A.M. and Orfanoudakis M.