MANI A, CHACKO O. Measurements of Solar Radiation and Atmospheric Turbidity with Angstrom Pyrheliometers at Poona and Delhi during the I.G. Y. MAUSAM [Internet]. 1963Jul.1 [cited 2024Nov.23];14(3):270-82. Available from: http://103.215.208.102/index.php/MAUSAM/article/view/4862