List of contributions by Roman Csefalvay in FFS  
Roman Cséfalvay, Milan Janák & Barbara Immerová
FIRST RELIABLE RECORDS OF HIRUDO VERBANA CARENA, 1820 (ANNELIDA: HIRUDINIDA) FROM SLOVAKIA AND NOTES ON ITS SYNTOPY WITH HIRUDO MEDICINALIS LINNAEUS, 1758
Folia faunistica Slovaca 22 (2017) 63–66
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