1. Blakemore, R. P., 1975, Magnetotactic bacteria, Science 190: 377–379.
2. Brines, M. L., and Gould, J. L., 1979, Bees have rules, Science 206: 571–573.
3. Carr, H. P., Switzer, W. P., and Hollander, W. F., 1982, Evidence for interference with navigation of homing pigeons by a magnetic storm, Iowa State J. Res. 56: 327–340.
4. Dyer, F. C., and Gould, J. L., 1981, Honey bee orientation: A backup system for cloudy days, Science 214: 1041–1042.
5. Frankel, R. B., and Blakemore, R. P., 1980, Navigational compass in magnetic bacteria, J. Magn. Magn. Mater. 15–18: 1562–1564.