REFERENCES
- Precht , D. 1991 . Fat Sci. Technol. , 93 : 538 – 544 .
- Taponeco , G. 1968 . Riv. Ital. Sostanze Grasse , 45 : 773 – 776 .
- Van Praag , M. and Hardon , H. 1965 . J.Z.U.L. , 126 : 271
- Christopherson , S. W. and Glass , R. L. 1969 . J. Dairy Sci. , 52 : 1289 – 1291 .
- Iverson , J. L. and Sheppard , A. L. 1977 . J.A.O.A.C , 60 : 288
- Procedure , Zaugg , Fieser , F. and Fieser , M. 1967 . Reagents for Organic Synthesis , New York : J. Wiley and Sons, Inc. .