@conference {conf003_2001Stamoulis, title = {Heavy Metal Concentrations in North-Western Greece river sediments}, booktitle = {Proceedings of the 9th Meeting of the Balkan Clinical Laboratory Federation}, year = {2001}, address = {Ioannina, 12-15 Sep 2001}, author = {Stamoulis, K.C. and Ioannides, K.G. and Papachristodoulou, C.A. and Mertzimekis, T. J.} }