(France)Inernational congress of theoretical ��� applied mechanics (Toronto)International Congressof Theoretical ��� applied Mechanics Inernational congress of theoretical & applied mechanics (France)International Union of Theoretical ��� Applied Mechanics (Moscow)International Congress of Theoretical and Applied Mechanics International Congress of Theeretical & applied Mechanics International Cobgress of Theoretical and Applied Mechanics (Austria)International Union of Theoretical ��� Applied Mechanics International Union of Theoretical ��� Applied Mechanics International union of theoretical and applied mechanics