Singer, B. C., & Wenzel, T. P. Estimated emission reductions from California's enhanced smog check program.
Trích dẫn kiểu ChicagoSinger, Brett C., và Thomas P. Wenzel. Estimated Emission Reductions From California's Enhanced Smog Check Program.
MLA CitationSinger, Brett C., và Thomas P. Wenzel. Estimated Emission Reductions From California's Enhanced Smog Check Program.
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