1. Ustawa z dnia 20 czerwca 1997 r. Prawo o ruchu drogowym - Dz.U. 1997 nr 98 poz. 602.
2. Regulation (EU) 2018/858 of the Europaen Parlaiament and of the Council of 30 May 2018 on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles, amending Regulations (EC) No 715/2007 and (EC) No 595/2009 and repealing Directive 2007/46/EC.
3. Commision Regulation (EU) No 1230/2012 of 12 December 2012 implementing Regulation (EC) No 661/2009 of the European Parliament and of the Council with regard to type-approval requirements for masses and dimensions of motor vehicles and their trailers and amending Directive 2007/46/EC of the European Parliament and of the Council.
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5. Longitudinal oscillations of vehicle/trailer combinations induced by overrun braking;Sharp;Veh. Syst. Dyn.,1982