Normark, Benjamin B. «Genetic Conflict and the Dizygotic Soma: On the Adaptive Significance of Polar Body Transmission and the Polyploid Bacteriome in Pseudococcidae and Diaspididae». Bollettino Di Zoologia Agraria E Bachicoltura, vol. 33, n. 3, 2001, pagg. 151-60, https://riviste.unimi.it/index.php/bzab/article/view/27498.