ARIMA and GEP models for climate variation
           				Barbulescu A., Bautu Elena,“ARIMA and GEP models for climate variation”, International Journal of Mathematics and Computation, Volume 3, Issue J09, (2009), online http://ceser.res.in/ceserp/index.php/ijmc/article/view/85  (Zentralblatt MATH, Mathematical Reviews and MathSciNet)