MEENA, L., A. MITRA, N. . AHMAD, and S. . NATH. “THE PROBABILITY OF THE FORMATION OF FOG OVER NEW DELHI : A FUZZY LOGIC APPROACH”. MAUSAM, vol. 58, no. 2, Apr. 2007, pp. 261-5, doi:10.54302/mausam.v58i2.1240.