Life tables of Lepidosaphes ulmi L. (Homoptera: Diaspididae) and Palaeoleucanium bituberculatum (Targ.-Tozz.) (Homoptera: Coccidae) on apple trees in the Van province of Turkey
The Proceedings of the VIII International Symposium on Scale Insect Studies, Londra, United Kingdom, 31 August - 06 September 1998, vol.1, no.1, pp.317