xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
Such signs must be sufficiently resistant and be placed at appropriate points.
OJ No L 229, 7.9.1977, p. 12. Last amended by Directive 79/640/EEC (OJ No L 183, 19.7.1979, p. 1).