Lal, Jangi, and K. L. Ahuja. “Solidification of a Liquid Sphere With a Given Heat Flux at the Surface”. Defence Science Journal 18, no. 3 (May 22, 2014): 141–146. Accessed June 16, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7444.