Agreement concerning the international carriage of dangerous goods by road. Volume I : ADR, applicable as from 1 January 2021 By United Nations Economic Commission for Europe(UNECE) - New York UNITED NATIONS 2020 - xix, 645 pages : illustrations ISBN: 9789211391794 Subjects--Topical Terms: HARZADOUS SUBSTANCES--TRANSPORTATION LC Class. No.: UNECE(058)ADR/2020