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HELLER KLAUS-GERHARD, Sevgili H. Systematics and bioacoustics of the Poecilimon sanctipauli-group (Orthoptera: Tettigonioidea: Phaneropteridae). European Journal of Entomology. 2005;102(2):265 - 277. Available at: http://www.eje.cz/doi/10.14411/eje.2005.038.html.

HELLER KLAUS-GERHARD, KORSUNOVSKAYA OS, Sevgili H, ZHANTIEV RD. Bioacoustics and systematics of the Poecilimon heroicus-group (Orthoptera: Phaneropteridae: Barbitistinae). European Journal of Entomology. 2006;103(4):853 - 865. Available at: http://www.eje.cz/doi/10.14411/eje.2006.116.html.

Sevgili H, HELLER KLAUS-GERHARD, Reinhold K. A re-assessment of the Poecilimon syriacus group (Orthoptera Tettigonioidea, Phaneropteridae) based on bioacoustics, morphology and molecular data .  2008. Available at: https://brill.com/view/journals/ise/39/4/article-p361_2.xmlhttps://data.brill.com/files/journals/1876312x_039_04_s002_text.pdf.