Chumakova, B.M. 1969 [Biology, ecology and species composition of the natural enemies of San Jose scale, Quadraspidiotus perniciosus Comst. (Homoptera, Coccoidea) in Sakhalin.]. Entomologicheskoe Obozrenye 48: 247-254.
Chumakova, B.M. 1969 [Biology, ecology and species composition of the natural enemies of San Jose scale, Quadraspidiotus perniciosus Comst. (Homoptera, Coccoidea) in Sakhalin.]. Entomologicheskoe Obozrenye 48: 247-254.