Chiang YS, Gelfand TI, Kister AE, Gelfand IM (2007). "New classification of supersecondary structures of sandwich-like proteins uncovers strict patterns of strand assemblage". Proteins. 68 (4): 915–921. PMID17557333. डीओआइ:10.1002/prot.21473.सीएस1 रखरखाव: एक से अधिक नाम: authors list (link)
Chiang YS, Gelfand TI, Kister AE, Gelfand IM (2007). "New classification of supersecondary structures of sandwich-like proteins uncovers strict patterns of strand assemblage". Proteins. 68 (4): 915–921. PMID17557333. डीओआइ:10.1002/prot.21473.सीएस1 रखरखाव: एक से अधिक नाम: authors list (link)