1. Stereochemistry of Organic Compounds;Eliel,1994
2. Conformational Behavior of Six-Membered Rings,1995
3. The Conformational Analysis of Heterocyclic Compounds;Ridell,1980
4. Conformational Behavior of Six-Membered Rings;Cremer,1995
5. Conformational Behavior of Six-Membered Rings;Bushweller,1995