Khelifa, R., Zebsa, R., Moussaoui, A., Kahalerras, A., Bensouilah, S., & Mahdjoub, H. (2013). Niche Partitioning in Three Sympatric Congeneric Species of Dragonfly, Orthetrum chrysostigma, O. coerulescens anceps, and O. nitidinerve: The Importance of Microhabitat. University of Wisconsin Library.

Khelifa, Rassim, Rabah Zebsa, Abdelkrim Moussaoui, Amin Kahalerras, Soufyane Bensouilah, ja Hayat Mahdjoub. Niche Partitioning in Three Sympatric Congeneric Species of Dragonfly, Orthetrum Chrysostigma, O. Coerulescens Anceps, and O. Nitidinerve: The Importance of Microhabitat. University of Wisconsin Library, 2013.

Khelifa, Rassim, et al. Niche Partitioning in Three Sympatric Congeneric Species of Dragonfly, Orthetrum Chrysostigma, O. Coerulescens Anceps, and O. Nitidinerve: The Importance of Microhabitat. University of Wisconsin Library, 2013.