ESCH, G. J. VAN 555,956 ALPHA -CYPERMETHRIN Alpha-cypermethrin / first draft prep, by E. A. H. van Heemstra-Lequin and G. T. van Esch / [IPCS International Programme on Chemical Safety]. - Geneva / World Health Organization, 1992. - 112 s. ; il. / 21 cm. - (Environmental Health Criteria, ISSN 0250-863X , 142) U dołu s. tyt. : Published under the joint sponsorship of the United rations Environment