Alpha-Cyperethrin / IPCS, first draft prepared by E.A.H.Van Heemstra-Lequin and G.T. Van Esch... . - Geneva : WHO, 1992 . - 112 p. : ill. ; 21 cm. - Environmental Health Criteria . ISBN: 924157142X Source: Don de l'OMS Universal Decimal Class. No.: 614.3