Nikolaos Vassilas Elias Kalapanidas Nikolaos M. Avouris Stavros J. Perantonis Intelligent Techniques for Spatio-Temporal Data Analysis in Environmental Applications. 318-324 2001 conf/ac/2001 Machine Learning and Its Applications http://dx.doi.org/10.1007/3-540-44673-7_21 db/conf/ac/ml2001.html#VassilasKAP01