[51] Nouvelles des Papeteries de l'Aa v. BV Machinenfabriek BOA, Hoge Raad, 25 septembre 1992 : "When the characteristic performance could be ascertained, 2 contained the main rule and the exception to that rule contained in 5 should therefore be interpreted restrictively.
[51] Nouvelles des Papeteries de l' Aa v. BV Machinenfabriek BOA, Hoge Raad, 25 September 1992: when the characteristic performance could be ascertained, 2 contained the main rule and the exception to that rule contained in 5 should therefore be interpreted restrictively.