1. Organic Chemistry of Sulfur; Plenum Press: New York, 1977.
2. In The Chemistry of the Ether Linkage; Ed.; Wiley: London, 1967; chapt 11, p 499.
3. In The Chemistry of Functional Groups, Supplement E; The Chemistry of Ethers, Crown Ethers, Hydroxyl Groups and Their Sulphur Analogues; Ed.; Wiley: Chichester, 1980; chapt 4, p 175.
4. Protective Groups in Organic Synthesis; Wiley: New York, 1981; p 118.
5. ; In The Chemistry of Functional Groups, Supplement E; The Chemistry of Ethers, Crown Ethers, Hydroxyl Groups and Their Sulphur Analogues; Ed.; Wiley: New York, 1980; chapt 5, p 215.