Modèle:Yousuf1972
De Odonates du Monde
Yousuf M. 1972 - Taxonomic studies on Anisoptera Sarhad Journal of Agriculture (Odonata) of Pakistan. - Ph.D. Thèse, Dep. Entomol., WPAU Lyallpur,Pakistan.
Yousuf M. 1972 - Taxonomic studies on Anisoptera Sarhad Journal of Agriculture (Odonata) of Pakistan. - Ph.D. Thèse, Dep. Entomol., WPAU Lyallpur,Pakistan.
