United Nations (2011-09-12). "National contacts for test details". Recommendations on the transport of dangerous goods: Manual of tests and criteria - 5th revised edition. Recommendations on the Transport of Dangerous Goods: Tests and Criteria. pp. 431–432. doi:10.18356/6eb71319-en. ISBN9789210549080. Retrieved 2021-11-16. {{cite book}}: |website= ignored (help)
un-ilibrary.org
United Nations (2011-09-12). "National contacts for test details". Recommendations on the transport of dangerous goods: Manual of tests and criteria - 5th revised edition. Recommendations on the Transport of Dangerous Goods: Tests and Criteria. pp. 431–432. doi:10.18356/6eb71319-en. ISBN9789210549080. Retrieved 2021-11-16. {{cite book}}: |website= ignored (help)