Reference

Hassan Abou-Bakr, Nahed Helmi, Monir El Hussieni, Rawhia H. Ramadan (1991): Interactions Between Insects and Certain Pest Control Factors in an Aquatic Ecosystem. I. Toxicity of Five Herbicides Used in Rice Fields to Different Stages of Culex pipiens L. – Beiträge zur Entomologie = Contributions to Entomology – 41: 287 - 292.