Johanson, Kjell Arne, Sweden
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European Journal of Taxonomy No. 6 (2012): Three new species of Helicopsyche (Trichoptera, Helicopsychidae) from northern Vietnam, with a key to Helicopsyche species of Vietnam - Entomology
Three new species of Helicopsyche (Trichoptera, Helicopsychidae) from northern Vietnam, with a key to Helicopsyche species of Vietnam
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