Kruse, R., Heinsohn, J., & Schwecke, E. (1991). Uncertainty and vagueness in knowledge based systems: Numerical methods. Springer-Verlag.
Čikaški stil citiranja (17. izdanje)Kruse, Rudolf, J. Heinsohn, i E. Schwecke. Uncertainty and Vagueness in Knowledge Based Systems: Numerical Methods. Berlin ; New York: Springer-Verlag, 1991.
MLA način citiranja (8. izdanje)Kruse, Rudolf, et al. Uncertainty and Vagueness in Knowledge Based Systems: Numerical Methods. Springer-Verlag, 1991.
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