来源:《环境战略与政策研究专报》2018-03-28
u.s.epa,1994-1-12,investigativediscretionmemo.http://www.epa.gov/oeca/ore/aed/comp/acomp/a11.html.英文原文为...参考文献:1.cleanairactlawandexplanation.ccheditorialstaffpublication,1994.2.airemissionssourcepermittingprogramsintheunitedstatesandeuropeanunion