Biopython: freely available Python tools for computational molecular biology and bioinformatics. - Peter J. A. Cock; Tiago Rodrigues Antao; Jeffrey T. Chang; Brad A. Chapman; Cymon J. Cox; Andrew Dalke; Iddo Friedberg; Thomas Hamelryck; Frank Kauff; Bartek Wilczynski; Michiel J. L. de Hoon (Bioinform., 2009)