Svitil, L.A., Ni-Chandhain, M.S., Moore, A.J. and Kirchman, L.D. (1997) Chitin degradation proteins produced by the marine bacterium Vibrio harveyi growing on different forms of chitin. Applied Environmental Microbiology, 63, 408-413.
 Dahiya, N., Tewari, R., Tiwari, P.R. and Hoondal, S.G. (2005) Chitinase from Enterobacter sp. NRG4: Its purification, characterization and reaction pattern. Electronic Journal of Biotechnology, 8(2), 134-145.
 Takiguchi, Y. (1991) Preparation of chiotosan and partially deacetylated chitin. In: Chitin, chitosanjikken manual, Otakara, A. and Yabuki, M. (Eds). Gihodou Shupan Kabushki Kasisha, Japan, pp 9-17.
 Shigemasa, Y., Matsuura, H., Sashwa, H. and Saimoto, H. (1996) Evaluation of different absorbance ratios from infrared spectroscopy for analyzing the degree of deacetylation in chitin. International Journal of Biological Macromolecule, 18, 237-242.
 Baxter, A., Dillon, M., Antony Taylor, K.D. and Roberts, G.A.F. (1992) Improved method for determination of the degree of N–acetylation of chitosan. International Journal of Biological Macromolecule, 14, 166-169.
 Wang, S.L., Lin, T.Y., Yen, Y.H., Liao, H.F. and Chen, Y.J. (2006) Bioconversion of shellfish chitin wastes for the production of Bacillus subtilis W-118 chitinase. Carbohydrate Research, 341, 2507-2515.
 Rodriguez-Kabana, R., Godoy, G., Morgan-Jones, G. and Shelby, R.A. (1983) Effects of chitin amendments to soil on Heterodera glycines, microbial populations and colonization of cysts by fungi. Plant Soil, 75, 95-106.
 Wang, S.L. and Chang, W.T. (1997) Purification and characterization of two bifunctional chitinases/lysozymes extracellularly produced by Pseudomonas aeruginosa K-187 in a shrimp and crab shell powder medium. Applied Environmental Microbiology, 63, 380-386.
 Zhou, N.S., Yang, Y.C., Huang, L., Cai, C.H. and Lin, Y.C. (1999) Isolation and characterization of chitinase from marine bacterium Vibrio sp. World Journal of Microbiology and Biotechnology, 15, 745-746.