Balasubramanian, N., R. Edison Raja, K. Lalitha, and S. Prebha. 2010. “Adsorption Dynamics: Comparison of Adsorption Potentials of Fibrous Keratinous Materials, viz., Human Black and White Hairs”. Asian Journal of Chemistry 10 (1):136-45. https://asianpubs.org/index.php/ajchem/article/view/23562.