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Science  12 Feb 1982:
Vol. 215, Issue 4534, pp. 775-779
DOI: 10.1126/science.215.4534.775


Two principal themes are observed in software development, both aimed at improving the productivity of developing and maintaining new applications. The first is to provide increasingly rich system programming function in order to handle the details of managing hardware resources. The second is to provide application development facilities with logical structures and building blocks more closely aligned with the logic of the application itself. An additional challenge is to provide these in a way that will allow continued enhancement of existing software.