Case C-142/05: Judgment of the Court (Second Chamber) of 4 June 2009 (reference for a preliminary ruling from the Luleå tingsrätt (Sweden)) — Åklagaren v Percy Mickelsson, Joakim Roos (Directive 94/25/EC — Approximation of laws — Recreational craft — Prohibition of using personal watercraft on waters other than general navigable waterways — Articles 28 EC and 30 EC — Measures having equivalent effect — Access to the market — Impediment — Protection of the environment — Proportionality)