- 题名/责任者:
- World environmental directory
- 出版发行项:
- [Silver Spring, Md. : Business Publishers], 1974-
- ISSN:
- 0094-4742
- 载体形态项:
- v. ; 23 cm
- 起止卷期:
- [1st ed.]- summer 1974-
- 论题主题:
- Environmental engineers-Directories
- 论题主题:
- Environmental protection-Directories
- 论题主题:
- Environment
- 中图法分类号:
- X-7
- 一般附注:
- "Standard environmental reference."
- 随书光盘:
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