S. Sivasankaran, M. Bhuvaneswari, P. Kandaswamy, and E. K. Ramasami, “Lie Group Analysis of Natural Convection Heat and Mass Transfer in an Inclined Surface”, NAMC, vol. 11, no. 2, pp. 201–212, May 2006, doi: 10.15388/NA.2006.11.2.14759.