Eisen, R. J., Bearden, S. W., Wilder, A. P., Montenieri, J. A., Antolin, M. F., & Gage, K. L. (2006). Early-phase transmission of Yersinia pestis by unblocked fleas as a mechanism explaining rapidly spreading plague epizootics. National Academy of Sciences.

Eisen, Rebecca J., Scott W. Bearden, Aryn P. Wilder, John A. Montenieri, Michael F. Antolin, i Kenneth L. Gage. Early-phase Transmission of Yersinia Pestis By Unblocked Fleas As a Mechanism Explaining Rapidly Spreading Plague Epizootics. National Academy of Sciences, 2006.

Eisen, Rebecca J., et al. Early-phase Transmission of Yersinia Pestis By Unblocked Fleas As a Mechanism Explaining Rapidly Spreading Plague Epizootics. National Academy of Sciences, 2006.