Gilbert, D. G. 1999. Readseq Version 2, an improved biosequence conversion tool, written in the Java language. Bionet.Software (August).
http://iubio.bio.indiana.edu/soft/molbio/readseq/
http://iubio.bio.indiana.edu/soft/molbio/readseq/Readme
http://iubio.bio.indiana.edu/soft/molbio/readseq/classic/
http://iubio.bio.indiana.edu/soft/molbio/readseq/java/