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作者: Peter Aldhous
DOI: 10.1038/349731B0
关键词: Mathematics education 、 Geography 、 Course (navigation)
摘要:
,2011, 引用: 4
,2005, 引用: 16
Acta Oecologica-international Journal of Ecology,2002, 引用: 55
Journal of Ecosystems and Management,2003, 引用: 328
,2012, 引用: 0
Gen. Tech. Rep. RMRS-GTR-260. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 57 p.,2011, 引用: 3
,2007, 引用: 3