@misc{128, author = {CSTEP}, title = {Estimation of Hourly Direct Normal Irradiance (DNI) for 22 Stations in India (Revised)}, year = {2013}, month = {03/2013}, publisher = {Center for Study of Science, Technology and Policy }, address = {Bengaluru }, issn = {CSTEP/E/02/2013}, url = {https://www.cstep.in/publications-details.php?id=354}, }