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Book List
4
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Isobenzan / First draft by Dr E. A. H. van Heemstra- Lequin and Dr G. J. van Esch
- 615.9 I851
- World Health Organization,
- 1992.
- Geneva :
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Alpha- and beta- hexachlorocyclohexanes / first draft prepared by G.J. van Esch.
- 615.9 A4565
- World Health Organization,
- 1992.
- Geneva :
-
Nations of the earth report : United Nations Conference on Environment and Development : national reports summaries.
- 333.72 U5813
- United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil)
- United Nations,
- 1992.
- Geneva :
-
2-Nitropropane / First draft prepared by Dr. R. B. Williams.
- 615.9 T9743
- World Health Organization,
- 1992.
- Geneva :