| 环境技术市场化:北京大学贝迩(BELL)绿色示范课程成果汇编 |
国家环境保护总局宣传教育中心, 北京大学环境学院 |
世界知识出版社 |
X-12/1 |
| Environment and development in China : review and prospective / |
by the High-level task Force of Environment and Development in China: Review and Prospective. |
China Environmental Science Press, |
X-12/E1 |