1. (a) Janssen, G. G.; Kalinowska, K.; Norton, R. A.; Nes, W. D. InPhysiology andBiochemistry of Sterols; Patterson, G. W., Nes, W. D., Eds.; American Oil Chemists' Society Press: Champaign, 1992; pp 83−117.
2. (b) Nes, W. R.; McKean, M. L.Biochemistry of Steroids and Other Isopentenoids;University Park Press: Baltimore, 1977; pp 325−550.
3. Some problems concerning biological C-alkylation reactions and phytosterol biosynthesis
4. (d) Akihisa, T.; Kokke, W. C. M. C.; Tamura, T. InPhysiology and Biochemistry of Sterols; Patterson, G. W., Nes, W. D., Eds.; American Oil Chemists' Society Press: Champaign, 1992; pp 172−228.