作者 | Ernest H. Manuel / Robert L. Jr Horst / Kathleen M. Brennan / William N. Lanen / Marcus C. Duff / Judith K. Tapiero / Richard M. Adams / David S. Brookshire / Thomas D. Crocker / Ralph C. d'Arge / A. Myrick Freeman / United States. Environmental Protection Agency. Strategies and Air Standards Division. Economic Analysis Branch / Mathtech, inc |