S.D. Sharma, H. Sharma, and S.C. Sharma. “Retention Behavior of Basic Amino Acids on Various Adsorbents Layers in DMSO-1MHCl Mobile Phase”. Journal of Chemistry, Environmental Sciences and Its Applications, vol. 2, no. 2, Mar. 2016, pp. 174-9, doi:10.15415/jce.2016.22011.