The formation of insecticidal films on building materials; preliminary experiments with films of pyrethrum and DDT in a heavy oil.
PARKIN
E A
EA
HEWLETT
P S
PS
D011723:Chrysanthemum cinerariifolium; D003252:Construction Materials; D003634:DDT; D005018:Ethyl Chloride; D007306:Insecticides; D011722:Pyrethrins
D007306:Insecticides; D011722:Pyrethrins; D005018:Ethyl Chloride; D003634:DDT
BUILDING MATERIALS; CHLORO PHENYL CHLOROETHANE (DDT); INSECTICIDES; PYRETHRUM