Murzin AG, Lesk AM, Chothia C (March 1994). "Principles determining the structure of beta-sheet barrels in proteins. I. A theoretical analysis". Journal of Molecular Biology. 236 (5): 1369–1381. doi:10.1016/0022-2836(94)90064-7. PMID8126726.
Murzin AG, Lesk AM, Chothia C (March 1994). "Principles determining the structure of beta-sheet barrels in proteins. II. The observed structures". Journal of Molecular Biology. 236 (5): 1382–1400. doi:10.1016/0022-2836(94)90065-5. PMID8126727.
Liu WM (January 1998). "Shear numbers of protein beta-barrels: definition refinements and statistics". Journal of Molecular Biology. 275 (4): 541–545. doi:10.1006/jmbi.1997.1501. PMID9466929.
Murzin AG, Lesk AM, Chothia C (March 1994). "Principles determining the structure of beta-sheet barrels in proteins. I. A theoretical analysis". Journal of Molecular Biology. 236 (5): 1369–1381. doi:10.1016/0022-2836(94)90064-7. PMID8126726.
Murzin AG, Lesk AM, Chothia C (March 1994). "Principles determining the structure of beta-sheet barrels in proteins. II. The observed structures". Journal of Molecular Biology. 236 (5): 1382–1400. doi:10.1016/0022-2836(94)90065-5. PMID8126727.
Liu WM (January 1998). "Shear numbers of protein beta-barrels: definition refinements and statistics". Journal of Molecular Biology. 275 (4): 541–545. doi:10.1006/jmbi.1997.1501. PMID9466929.