Chobanov DPetrov, Grzywacz B, Iorgu I?tefan, et al. Review of the Balkan Isophya (Orthoptera: Phaneropteridae) with particular emphasis on the Isophya modesta group and remarks on the systematics of the genus based on morphological and acoustic data.  2013. Available at: http://biotaxa.org/Zootaxa/issue/view/zootaxa.3658.1.

Iorgu I?tefan. Acoustic analysis reveals a new cryptic bush?cricket in the Carpathian Mountains (Orthoptera, Phaneropteridae).  2012. Available at: http://zookeys.pensoft.net/articles.php?id=3512.

Iorgu I?tefan, Iorgu EIulia. A new species of Isophya (Orthoptera: Phaneropteridae) from the Romanian Carpathian Mountains              A new species of.  2010. Available at: http://archive.sciendo.com/TRAVMU/travmu.2010.53.issue--1/v10191-010-0012-9/v10191-010-0012-9.pdf.

Heller K-G, Korsunovskaya OS, Massa B, Iorgu I?tefan. High-speed duetting ? latency times of the female acoustic response within the bush-cricket genera Leptophyes and Andreiniimon (Orthoptera, Phaneropteridae). ZooKeys. 2018;750:45 - 58. Available at: https://zookeys.pensoft.net/articles.php?id=23874.

Orci KMárk, Iorgu I?tefan. Subspecies-specific song preferences and diverged heterospecific discrimination in females of the bush-cricket Isophya kraussii (Orthoptera: Phaneropterinae). Biological Journal of the Linnean Society. 2017. Available at: http://academic.oup.com/biolinnean/article/doi/10.1093/biolinnean/blx094/4110201/Subspeciesspecific-song-preferences-and-diverged.

Iorgu I?tefan, Iorgu EIulia, Szövényi G, Orci KMárk. A new, morphologically cryptic bush-cricket discovered on the basis of its song in the Carpathian Mountains (Insecta, Orthoptera, Tettigoniidae). ZooKeys. 2017;680:57 - 72. Available at: https://zookeys.pensoft.net/articles.php?id=12835.

Iorgu I?tefan. The Orthoptera Fauna (Insecta: Orthoptera) from Pas?cani and Surroundings (Romania, Iasi County). Analele S?tiint?ifice ale Universita?t?ii ?Al. I. Cuza? Ias?i, s. Biologie animala?. 2008;LIV:73-80.

Iorgu I?tefan, Mustata G. Bioacoustic studies on some cricket species (Insecta:Orthoptera: Gryllidae) from Romania. Analele S?tiint?ifice ale Universita?t?ii ?Al. I. Cuza? Ias?i, s. Biologie animala?. 2008;LIV:57-64.

Iorgu I?tefan, Heller K-G. The bush-cricket Isophya kraussii (Orthoptera: Phaneropteridae): bioacoustics, distribution and description of a new subspecies from Romania. Zootaxa. 2013;3640(2):258. Available at: http://biotaxa.org/Zootaxa/issue/view/zootaxa.3640.2.

Iorgu I?tefan, Iorgu EIulia, Stahi N. The Orthoptera (Insecta) from Middle and Lower Prut River Basin. Travaux du Mus?um National d?Histoire Naturelle ?Grigore Antipa?. 2013;56(2). Available at: http://www.degruyter.com/view/j/travmu.2013.56.issue-2/travmu-2013-0012/travmu-2013-0012.xmlhttps://www.degruyter.com/view/j/travmu.2013.56.issue-2/travmu-2013-0012/travmu-2013-0012.pdf.

Ivkovi? S, Iorgu I?tefan, Horvat L, et al. New data on the bush-cricket Montana medvedevi (Orthoptera: Tettigoniidae), critically endangered in Europe (EU 28), and a comparison of its song with all known song patterns within the genus. Zootaxa. 2017;4263(3):527-542.

Iorgu I?tefan, Kri?tín A, Szövényi G, et al. Distinctive male?female acoustic duetting supports the specific status of               Isophya fatrensis               , a West-Carpathian endemic bush-cricket (Insecta: Orthoptera: Tettigoniidae: Phaneropterinae). Bioacoustics. 2017:1 - 14. Available at: https://www.tandfonline.com/doi/full/10.1080/09524622.2016.1272005.

Iorgu I?tefan, Chobanov DPetrov, Iorgu EIulia. The unexpected finding of Parapholidoptera castaneoviridis in south-eastern Romania (Insecta, Orthoptera, Tettigoniidae). ZooKeys. 2017;643:87 - 96. Available at: http://zookeys.pensoft.net/articles.php?id=10645.