Cressman, A.W. 1943 Effectiveness against the California red scale of cube resins and nicotine in petroleum spray oil.. Journal of Agricultural Research 67(1): 17-26.

Notes: Experiments were performed to test the relative effectiveness against Aonidiella aurantii of various chemical controls. Previous trials against Aspidiotus perniciosus, Chionaspis salicis-nigrae, Chrysomphalus aonidum and Phenacoccus gossypii were mentioned.