Popp, D. (2004). International innovation and diffusion of air pollution control technologies: The effects of NOX and SO2 regulation in the U.S., Japan, and Germany. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationPopp, David. International Innovation and Diffusion of Air Pollution Control Technologies: The Effects of NOX and SO2 Regulation in the U.S., Japan, and Germany. Cambridge, Mass: National Bureau of Economic Research, 2004.
MLA (9th ed.) CitationPopp, David. International Innovation and Diffusion of Air Pollution Control Technologies: The Effects of NOX and SO2 Regulation in the U.S., Japan, and Germany. National Bureau of Economic Research, 2004.
Warning: These citations may not always be 100% accurate.