Numerische Berechnung elektromagnetischer Felder Hochschultext Autor Christian Hafner 23 feb 1987 Paperback Preț: 490.14 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: 373.16 lei 6-8 săpt.