<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Hunt, James W. / McIlroy, M. Douglas</hi> (1976): "An Algorithm for Differential File Comparison" in: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Computing Science Technical Report</hi> (Bell Laboratories) 41 <ref xmlns="http://www.tei-c.org/ns/1.0" target="http://www.cs.dartmouth.edu/~doug/diff.pdf">http://www.cs.dartmouth.edu/~doug/diff.pdf</ref>