Malaria situation in Bulgaria and surveillance measures (1991-2000)
by
Kurdova R.I., Vutchev D.I. and Petrov P.P.
A management framework for the efficient use of surface water resources in Sithonia Peninsula (Greece)
by
Latinopoulos P. and Theodossiou N.
Determination of Heavy Metals in Wet Deposition of Athens
by
Kanellopoulou Helen