"March 1997 the Dutch Society for Dragonfly Studies (NVL) was started and brings both amateur and professional dragonfly investigators together. Main objective is stimulating research and ...
[Tovább olvasom]
taking care researchers are able to contact each other. Therefore it sometimes organizes field trips, weekend meetings and a yearly Dragonfly study day. It also publishes the periodical Brachytron filled with articles on dragonfly fauna." - https://www.brachytron.nl/over-de-nvl/, 11.08.2022