Nur, U. 1966 Nonreplication of heterochromatic chromosomes in a mealybug, Planococcus citri (Coccoidea: Homoptera).. Chromosoma. Berlin 19: 439-448.
Nur, U. 1966 Nonreplication of heterochromatic chromosomes in a mealybug, Planococcus citri (Coccoidea: Homoptera).. Chromosoma. Berlin 19: 439-448.