G. Karaman, “On two members of the genus Niphargus Schiödte, 1849 (Crustacea: Niphargidae) from the Balkan Peninsula, N. deelemanae grex ssp. n. and N. jurinaci S. Kar. 1950 (contribution to the knowledge of the Amphipoda 271)”, AES, vol. 18, no. 1/2, pp. 207-235, Oct. 2013.