• Oprea, M. and Perelson, A.S. - Somatic mutation leads to efficient affinity maturation when centrocytes recycle back to centroblasts. Journal of Immunology, 158:5155-5162 (1997) (postscript)
• Oprea, M., van Nimwegen, E., and Perelson, A.S. - High affinity memory cell production in the germinal centers. How far can selection reach? Santa Fe Institute working paper 97-06-050 (postscript)
• Erik van Nimwegen, Mihaela Oprea, and Alan Perelson. -Dynamics of one-pass germinal center models: Implications for affinity maturation. Santa Fe Institute working paper 98-05-043   (postscript)