Unterberger, V.K. 1964 [The penetration of petroleum oil under the field of California scale, Aspidiotus perniciosus Comst.]. Khimiia v sel’skom khoziaistve 1: 26-27.
Unterberger, V.K. 1964 [The penetration of petroleum oil under the field of California scale, Aspidiotus perniciosus Comst.]. Khimiia v sel’skom khoziaistve 1: 26-27.