1.
Hedström I, Sahlén G. A key to the adult Costa Rican “helicopter” damselflies (Odonata: Pseudostigmatidae) with notes on their phenology and life zone preferences. Rev. Biol. Trop. [Internet]. 2001Dec.1 [cited 2024Nov.24];49(3-4):1037–1056. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/18052