Investigating the Universe formatIsbn:Softcover 9789400985360 we have appointed an Editorial 70174 Stuttgart we have appointed an Editorial Board to provfde suggestions for topies and authors The authors have expanded both the developed mathematical apparatus and the scope of problems and applications stemming from the practice of steering a national economy of a small country in the dynamic environment of the international economic order the Introductian ta the Study of Ec ipsing Variables summarized these iterative methods and remains a c1assic in this field who with characteristic insight had recognised in Kopal the qualities that have since made him an outstanding leader in ec1ipsing binary research