<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">David Sankoff / Joseph Kruskal:</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Time Warps, String Edits, and Macromolecules. The Theory and Practice of Sequence Comparison</hi>. Addison-Wesley (1983).