Numerische Berechnung elektromagnetischer Felder: Grundlagen, Methoden, Anwendungen Hochschultext Autor Christian Hafner 23 feb 1987 Paperback Preț: 468.59 lei 6-8 săpt.
Nonlinear Time Series Analysis with Applications to Foreign Exchange Rate Volatility Contributions to Economics Autor Christian Hafner 15 oct 1997 Paperback Preț: 370.46 lei 6-8 săpt.