Gradojevic, M. 1933 Méthode nouvelle d'examen biologique des larvicides a employer contre la cochenille Eulecanium corni Bouché et autre coccides qui excrêtent du miellat.. [5th International Congress of Entomology] Ve Congrès International d'Entomologie] 5th: 529-532.

Notes: Title in English: [New method of biological examination of larvicides for control of the scale Eulecanium corni Bouché and other honey-excreting coccids.] Conference held July 18-24, 1932 in Paris, France.]