Globally Harmonized System of Classification and Labelling of Chemicals,
United Nations, 2011, VI, 561 с. : с фиг., табл., ил., 978-92-1-117042-9.
.
Globally Harmonized System of Classification and Labelling of Chemicals.
Geneva: United Nations, 2011, VI, 561 с. : с фиг., табл., ил., 978-92-1-117042-9.
(2011)
Globally Harmonized System of Classification and Labelling of Chemicals,
Geneva: United Nations, VI, 561 с. : с фиг., табл., ил., 978-92-1-117042-9
* Моля, проверите цитатите за точност, преди да ги включите в работата си.