Rao, S., K. Papukutty, and T. Bhat. “Determination of Surface Area of Head for Biomedical and Other Applications”. Defence Science Journal 45, no. 3 (January 1, 2013): 233-236. Accessed April 18, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4125.