Mukherjee, S., Koyi, H.A., Talbot, C.J. and Jain, A. 2008. How significant is erosion in extrusion- insights from analogue and analytical models. Himalayan Journal of Sciences. 5, 7 (Sep. 2008), 92. DOI:https://doi.org/10.3126/hjs.v5i7.1286.