1.
Operational Research in the Design of Electronic Data Processing Systems - Fred Hanssmann - ...
by Hanssmann, Fred
ISBN: 9780844801612
List Price: $27.50
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Operations Research Techniques for Capital Investment
by Hanssmann, Fred
ISBN: 9780882751818
List Price: $14.50
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Einfuhrung in Die Systemforschung: Methodik D. Modellgestutzten Entscheidungsvorbereitung
by Hanssmann, Fred
ISBN: 9783486219418