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Endrin / first draft prepared by G.T. [i.e. J.] van Esch and E.A.H. van Heemstra-Lequin.
- 615.9 E5667
- World Health Organization,
- c 1992.
- Geneva :
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Alpha-cypermethrin / first draft prepared by E.A.H. van Heemstra-Lequin and G.T. [i.e. J.] van Esch.
- 615.9 A4565c
- World Health Organization,
- c 1992.
- Geneva :