Zhang, Xiaojie, Yong Xie, Xin Zhuo, Hongwei Shi, and Jigui Xu. 2012. “Determination of Prulifloxacin Using the Eu(III) As the Fluorescence Probe by Spectrofluorimetry”. Asian Journal of Chemistry 24 (6):2757-61. https://asianpubs.org/index.php/ajchem/article/view/9215.