Weglarska, B. 1968 Spermatogenesis in Quadraspidiotus ostreaeformis (Curt.) (Homoptera, Coccoidea, Aspidiotini).. Zeszyty Naukowe Uniwersytetu Jagiellonskiego Prace Zool. 14: 63-82.
Notes: Also summarized in Russian.
Weglarska, B. 1968 Spermatogenesis in Quadraspidiotus ostreaeformis (Curt.) (Homoptera, Coccoidea, Aspidiotini).. Zeszyty Naukowe Uniwersytetu Jagiellonskiego Prace Zool. 14: 63-82.
Notes: Also summarized in Russian.