Breathing clean considering the switch to natural gas buses / [electronic resource] :
Masami Kojima.
- Washington, DC : World Bank, c2001.
- ix, 50 p.
- World Bank technical paper, no. 516 0253-7494 ; .
- World Bank technical paper ; no. 516. .
Includes bibliographical references.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.