Bazin, H., Gray, D., Platteau, B., & Maclennan, ICM. (1982). Distinct Delta+ and Delta- Lymphocyte-b Lineages in the Rat. New York Academy of Sciences. Annals, 399(DEC), 157-174. https://doi.org/10.1111/j.1749-6632.1982.tb25671.x (Original work published 1982)