Yuan, Long, and Li Bin. “Preliminary Study on Qualitative and Quantitative Detection of Norfloxacin Based on Terahertz Spectroscopy”. International Journal of Agricultural and Biological Engineering, vol. 10, no. 5, Sept. 2017, pp. 262-8, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/2962.