We examined 19 commercially available software products developed … [the IBM Software Solutions Laboratory in Research Triangle Park, North Carolina] … Of the 19 products, 11 were developed using … The product development activity ranges in size from … a very wide range of team productivity for … productivity rate. … The effort is reported in person-years, and includes … [and purchased software] … [p. 837] we see an apparently linear relationship between … required. … it appears that the ported products, as expected, … the procedural and object-oriented products.
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