Salem, H., Van Laecke, K., Speybroeck, N., & Degheele, D. (1992). Distribution of diflubenzuron, teflubenzuron and hexaflemeron in last instar larvae of Spodoptera exempta. Parasitica, 48, 15-22. https://hdl.handle.net/2078.5/48163 (Original work published 1992)