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Likharev, I.M. (1972). Dva novykh vida semejstva Clausiliidae (Gastropoda, Pulmonata) iz Bolgarii. Trudy Zoologicheskogo Instituta Akademii Nauk SSSR, 52: 117-120. Leningrad [after 20 November]. [Two new species of Clausiliidae (Gastropoda, Pulmonata) from Bulgaria].
Likharev, I.M. (1972). Dva novykh vida semejstva Clausiliidae (Gastropoda, Pulmonata) iz Bolgarii. Trudy Zoologicheskogo Instituta Akademii Nauk SSSR, 52: 117-120. Leningrad [after 20 November]. [Two new species of Clausiliidae (Gastropoda, Pulmonata) from Bulgaria].
