Software Maintenance Costs Ó Jussi Koskinen Information Technology Research Institute, ELTIS-project University of Jyväskylä P.O. Box 35, 40014-Jyväskylä, Finland Available at: <URL: http://www.cs.jyu.fi/~koskinen/smcosts.htm> since 12th Sept. 2003. Email: koskinen@cs.jyu.fi Abstract Software maintenance and evolution is a considerably understudied area while taking into account its cost effects.
