Lysine regulation of penicillin biosynthesis in low-producing and industrial strains of Penicillium chrysogenum Luengo, J.M.; Revilla, G.; Villanueva, J.R.; Martín, J.F. Journal of General Microbiology 115(1): 207-211 1979 https://eurekamag.com/research/040/615/040615679.php