Hussain, M. A., S. Abbas, and M. R. K. Ansari. “FORECAST MODELS FOR URBAN EXTREME TEMPERATURES : KARACHI REGION AS A CASE STUDY”. The Nucleus, vol. 47, no. 4, Nov. 2010, pp. 301-1, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/876.