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van der Wees, A.J. (author), van den Berg, J.I. (author)NLR mainly performs applied scientific research for use in the aerospace industry. In many cases the product has the form of an information system for the design, production and usage of aerospace vehicles. Within this context, the mathematician contributes, in cooperation with specialists from other disciplines such as aerodynamics, structures,...report 1990
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van Holtz, R.C. (author)The development of a complex data system involving many disciplines requires a strict control from the early phases of a project onwards, to ensure that all requirements are met within the technical and financial constraints. To exercise such control becomes more difficult when different institutes/organizations contribute to the system, the...report 1983
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Dekker, G.J. (author), van der Wilt, M. (author), van den Bosch, F.J. (author)Cost estimation of software development and control of the cost during the development, are difficult due to the lack of useful cost figures from previous projects, and consequently due to the lack of an accurate cost estimation and management method. This report describes the results of the first phase of a study to develop a software cost...report 1981
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Posthuma de Boer, U. (author)Cost estimation of software development.and the monitoring and control of factors which affect the development cost is difficult due to the lack of uniformity in the development approach, to the lack of a standard terminology and due to the limited and difficult to access cost data bases. This report presents a cost estimation approach, together...report 1978
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Hameetman, G.J. (author)The infra Red Astronomical Satellite IRAS will be laimched in February I98I for a mission of one year duration. The purpose of the mission is to produce a full sky catalogue in the infrared waveband. The IRAS satellite will be equipped with an on-board computer system to control the satellite and to execute the measurements necessary to fulfil...report 1977