1. Ben-Dov Y. & German V.: A Systematic Catalogue of the Diaspididae (Armoured Scale Insects) of the World, Subfamilies Aspidiotinae, Comstockiellinae and Odonapidinae Creator: Havelka, J. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. H.F. van Emden & R. Harrington (eds.): Aphids as Crop Pests Creator: Havelka, J. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
3. Regnault-Roger C., Philogene B.J.R. & Vincent C. (eds): Biopesticides of Plant Origin Creator: Havelka, J. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public