V. K.  Hivrale, Chougule, N. P., Chhabda, P. J., Giri, A. P., and Kachole, M. S., ?Unraveling biochemical properties of cockroach (Periplaneta americana) proteinases with a gel X-ray film contact print method?, Comparative Biochemistry and Physiology B-Biochemistry & Molecular Biology, vol. 141, no. 3, pp. 261-266, 2005.

P. T.  Sanatan, Lomate, P. R., Giri, A. P., and Hivrale, V. K., ?Characterization of a chemostable serine alkaline protease from Periplaneta americana?, BMC Biochemistry, vol. 14, p. 32, 2013.