3Devonshire AL, Moores GD. Different forms of insensititive acetylcholin-sterase in insecticides resistant houseflies ( Musca domestica ) [J]. Pest Bioch, 1984,21: 336.
4Siegfried BD, Seott JG. Properties and inhibition of acetylchlin esterase in resistant and susceptible German cockroaches Blattella germanica (L.) [ J ]. Pest Sci, 1990,13: 156.