Bhandarkar, S. V., and S. H. Neau. “Lipase-Catalyzed Enantioselective Esterification of Flurbiprofen With N-Butanol”. Electronic Journal of Biotechnology, vol. 3, no. 3, Dec. 2000, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v3n3-3.