Mullen, Katharine M., and Ivo H. M. van Stokkum. “TIMP: An R Package for Modeling Multi-Way Spectroscopic Measurements”. Journal of Statistical Software 18, no. 3 (January 10, 2007): 1–46. Accessed December 5, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v018i03.