Economic Evaluation of Small Capacity Sewage Processing Units by Gratziou M.K.,Tsalkatidou M., and Kotsovinos N.E.
Air quality and pollution mapping system, using remote measurements and GPS technology by Schreiner C., Branzila M., Trandabat A. and Ciobanu R.C.
A comparison of two interaction matrix coding techniques used in a GIS-based tool for air quality assessment by Mavroulidou M., Hughes S.J. and Hellawell E.E.