ラマチャンドランプロット
Richardson, J.S. (1981). “Anatomy and Taxonomy of Protein Structures”. Advances in Protein Chemistry. Advances in Protein Chemistry 34: 167–339. doi:10.1016/S0065-3233(08)60520-3. ISBN 9780120342341. PMID 7020376. , available on-line at Anatax
Branden, C.-I.; Tooze, J. (1991), Introduction to Protein Structure, Garland Publishing, NY, ISBN 0-8153-0344-0