M.N, N., C. K.R., and J. D’Mello. “Audiological Findings in a Case of Von Recklinghausen’s Multiple Neurofibromatosis”. Journal of All India Institute of Speech and Hearing, Vol. 21, no. 1, June 1990, pp. 48-56, http://203.129.241.91/jaiish/index.php/aiish/article/view/1206.