A. A.  Bharde, Parikh, R. Y., Baidakova, M., Jouen, S., Hannoyer, B., Enoki, T., Prasad, B. L. V., Shouche, Y. S., Ogale, S. B., and Sastry, M., ?Bacteria-mediated precursor-dependent biosynthesis of superparamagnetic iron oxide and iron sulfide nanoparticles?, Langmuir, vol. 24, no. 11, pp. 5787-5794, 2008.