Lotka-Volterra-Approach to cooperation and competition in dynamic systems : proceedings of the 5th meeting of the UNESCO's Working Group on System Theory held on the Wartburg, Eisenach (GDR), March 5-9 1984 / edited by Werner Ebeling and Manfred Peschel. (Mathematical research = Mathematische Forschung ; Bd. 23)
Lotka-Volterra-Approach to cooperation and competition in dynamic systems : proceedings of the 5th meeting of the UNESCO's Working Group on System Theory held on the Wartburg, Eisenach (GDR), March 5-9 1984 / edited by Werner Ebeling and Manfred Peschel.
(Mathematical research = Mathematische Forschung ; Bd. 23)