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3. Head lice in the Netherlands: susceptibility for insecticides in field samples;Blommers;Ent. exp. appl.,1978
4. Resistance to organochlorine insecticides and trials using alternative compounds;Maunder;Med. Officer,1971
5. Ein neues Akarizid-Austestungsverfahren für Spinnmilben;Voss;Anz. f. Sch. kde.,1961