Poudyal, K. N., B. K. Bhattarai, B. K. Sapkota, B. Kjeldstad, and N. R. Karki. “Estimation of Global Solar Radiation Using Pyranometer and NILU-UV Irradiance Meter at Pokhara Valley in Nepal”. Journal of the Institute of Engineering, vol. 9, no. 1, June 2014, pp. 69-78, doi:10.3126/jie.v9i1.10672.