共 50 条
- [45] The Russian legislation for the preservation and protection of waterways: History, theory, reality JAHRBUCHER FUR GESCHICHTE OSTEUROPAS, 1999, 47 (02): : 315 - 316
- [48] HYDROLOGICAL HERITAGE WITHIN PROTECTION OF GEODIVERSITY IN SERBIA - LEGISLATION HISTORY JOURNAL OF THE GEOGRAPHICAL INSTITUTE JOVAN CVIJIC SASA, 2011, 61 (03): : 17 - 32
- [49] Self-reported use of respiratory protection among a cohort of underground bituminous coal miners AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL, 1996, 57 (02): : 191 - 195