Rao, M.S., and N. Nayak. “Optimum Range of Total Frequencies for Quickness in Auditory Reactions”. Defence Science Journal 6, no. 2 (May 26, 2014): 147-154. Accessed April 20, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7547.