LAL, R. P, RK GIRI, and RK SHARMA. “INTEGRATED WATER VAPOUR MEASURE-MENT OVER DEHRADUN USING GROUND-BASED GPS AND COMPARISON WITH VALUES OBTAINED FROM NCEP REANALYSIS AND MODIS DATA”. MAUSAM 58, no. 2 (April 1, 2007): 283–286. Accessed October 5, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/1293.