S. G. Joshi, M. Tejashwini, N. Revati, R. Sridevi, and D. Roma, “Isolation, Identification and Characterization of a Feather Degrading Bacterium”, Int. J. Poult. Sci., vol. 6, no. 9, pp. 689–693, Aug. 2007, doi: 10.3923/ijps.2007.689.693.