1. Gagarin, V.G. and Nguyen Vu Thanh, Free-living nematodes of the Mekong River delta (Vietnam), Biol. Vnutr. Vod, 2007, no. 3, pp. 3–10.
2. Gagarin, V.G. and Nguyen Vu Thanh, Free-living nematodes of the Tra Ly River in the Red River mouth, Vietnam, Inland Water Biol., 2012, vol. 5, no. 1, pp. 11–18.
3. Nguyen Dinh Tu, Gagarin V.G., Nguyen Vu Thanh, et al., Two new nematode species of the genus Daptonema Cobb, 1920 (Nematoda, Xyalidae) from mangrove forest estuary of the Red River (Vietnam), Inland Water Biol., 2014, vol. 7, no. 2, pp. 1125–133.
4. Chesunov, A.V., Free-living nematodes of the species group Theristus flevensis (Monhysterida) in the Caspian Sea, Byul. Moskov. Obshch. Ispyt. Prirody, 1981, vol. 86, no. 2, pp. 64–70.
5. Andrássy, I., Nematoden aus ägyptischen Gewässern (Ergebnisse der Zoologischen Aufsammlungen des Ungarischhen Naturwissenschaflingen Museum in Ägypten in Jahre 1957), Ann. Hist. Nat. Mus. Nath. Hung, 1958, vol. 50, no. 9, pp. 138–141.