Reddy, M.N., K.V. Kanna Rao, T.K. Murthy, and M.D. Reddy. 2010. “Extractive Spectrophotometric Determination of Cyclopentolate Hydrochloric”. Asian Journal of Chemistry 13 (3):1266-68. https://asianpubs.org/index.php/ajchem/article/view/22782.