Measurements of Solar Radiation and Atmospheric Turbidity with Angstrom Pyrheliometers at Poona and Delhi during the I.G. Y. MAUSAM [Internet]. 1963 Jul. 1 [cited 2025 Dec. 29];14(3):270-82. Available from: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/4862