Tamrakar, N. K., S. Maharjan, and M. B. Shrestha. “Petrology of Rapti River Sand, Hetauda-Chitwan Dun Basin, Central Nepal; An Example of Recycled Provenance”. Bulletin of the Department of Geology, vol. 11, Dec. 2008, pp. 23-30, doi:10.3126/bdg.v11i0.1539.