Eighth World Congress on the Theory of Machines and Mechanisms : 26.-31.8. 1991. Prague, Czechoslovakia. ProceedingsVol. 4 Posters 1 1991 .  Prague :  The Society of Czechoslovak Mathem. and Phys.,  1991 .   [1, z toho volných 0, prezenčně 1]
Souborný záznam : Eighth World Congress on the Theory of Machines and Mechanisms