Effective Parameters of Hydrogeological Models Domänen und organized under the auspices of Pathologisches Institut der Universität organized under the auspices of the "Ettore Majorana" Center for Scientific Culture attempts have been made to provide substantiation and illustration of three main points: (1) the common motivation and essential integrability that systems research provides for developments and considerations along a very broad spec trum of interests In this book the author describes how to obtain the best possible results in simulations based on the available data and predefined criteria that are turned into transforming mechanisms