American Environmental Policy, 1990–2006: Beyond Gridlock by Christopher McGrory Klyza and David SousaDavid VogelPOLITICAL SCIENCE QUARTERLY(2009)引用 0|浏览1暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要