德国生态环境保护的观察与思考

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-8256|35|2|55-59

ISSN: 1003-8256

Source: 科学与管理, Vol.35, Iss.2, 2015-01, pp. : 55-59

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Abstract