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    Journal: Journal of Software Maintenance

    Volume 9, Issue 5

    271 -- 280Cris Wendt, Nicholas Imparato. Software licensing models amid market turbulence
    281 -- 297Joel E. Henry, James P. Cain. A quantitative comparison of perfective and corrective software maintenance
    299 -- 327Anneliese von Mayrhauser, A. Marie Vans, Adele E. Howe. Program understanding behaviour during enhancement of large-scale software
    329 -- 342Eric Garrigue Vesely. Using COBOL defensive traps
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