(Austria)International Union of Theoretical ��� Applied Mechanics (Stuttgart)International Union of Theoretical ��� Applied Mechanics (France)International Union of Theoretical ��� Applied Mechanics (Cambridge,UK)International union of theoretical and applied mechanics International union of theoretical and applied mechanics International Union of Theoretical ��� Applied Mechanics (Germany)International Union of Theoretical and Applied Mechanics International union of Theoretical and applied Mechanics (France)Inernational congress of theoretical ��� applied mechanics (Toronto)International Congressof Theoretical ��� applied Mechanics