B. BAPUJI RAO, V. M. SANDEEP, P. SHANTIBHUSHAN CHOWDARY, V. P. PRAMOD and V.U.M. RAO (2013) “Reference crop evapotranspiration over India: A comparison of estimates from open pan with Penman-Monteith method”, Journal of Agrometeorology, 15(2), pp. 108–114. doi: 10.54386/jam.v15i2.1455.