1. Trend of biological control in glasshouses in Sweden and Denmark;Berendt;Bull. O.I.L.B./S.R.O.P.,1980
2. Determination of host-plant quality of eggplant (Solanum melongena L.), cucumber (Cucumis sativus L.), tomato (Lycopersicum esculentum L.) and paprika (Capsicum annuum L.) for the greenhouse whitefly (Trialeurodes vaporariorum [Westwood]) (Homoptera: Aleyrodidae). Proc. Int. Symp. on Crop Protection;Boxtel;Meded. Fac. Landbouww. Rijksuniv. Gent.,1978
3. Bravenboer , L. 1959 The chemical and biological control of the glasshouse red spider mite Tetranychus urticae Koch
4. Bulletin O.I.L.B./S.R.O.P. 19734 Integrated control in glasshouses