Hoffmann, Till, and Jukka-Pekka Onnela. “Gptools: Scalable Gaussian Process Inference With Stan”. Journal of Statistical Software 112, no. 2 (March 29, 2025): 1–31. Accessed February 12, 2026. https://www.jstatsoft.org/index.php/jss/article/view/v112i02.