Van Snick, J., Maryanski, J., Van Pel, A., Parmiani, G., & Boon, T. (1982). Immunogenic Variants Obtained By Mutagenesis of Mouse Mastocytoma P815 .5. H-2 Associativity of Variant-specific Antigens. European Journal of Immunology, 12(11), 905-908. https://doi.org/10.1002/eji.1830121102 (Original work published 1982)