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Lee, H.-B., Kwon, J.-S., Kim, Y.-B., & Kim, E.-K. (2008). Production of Calcium-Stearate by Lipase Using Hydrogenated Beef Tallow. Applied Biochemistry and Biotechnology, 157(2), 278–284. doi:10.1007/s12010-008-8254-8 
10.1007/s12010-008-8254-8