Higgins DG, Sharp PM. CLUSTAL: a package for performing multiple sequence alignment on a microcomputer. Gene. December 1988, 73 (1): 237–44. PMID 3243435. doi:10.1016/0378-1119(88)90330-7.
Higgins DG, Bleasby AJ, Fuchs R. CLUSTAL V: improved software for multiple sequence alignment. Computer Applications in the Biosciences. April 1992, 8 (2): 189–91. PMID 1591615. doi:10.1093/bioinformatics/8.2.189.
Higgins DG, Sharp PM. CLUSTAL: a package for performing multiple sequence alignment on a microcomputer. Gene. December 1988, 73 (1): 237–44. PMID 3243435. doi:10.1016/0378-1119(88)90330-7.
Higgins DG, Bleasby AJ, Fuchs R. CLUSTAL V: improved software for multiple sequence alignment. Computer Applications in the Biosciences. April 1992, 8 (2): 189–91. PMID 1591615. doi:10.1093/bioinformatics/8.2.189.