E. L. Ionides, C. Bret\'o, & A. A. King,
Inference for nonlinear dynamical systems,
Proc. Natl. Acad. Sci. U.S.A., 103:18438--18443, 2006. A. A. King, E. L. Ionides, M. Pascual, and M. J. Bouma,
Inapparent infections and cholera dynamics,
Nature, 454:877--880, 2008.