Vols. called "Special number" also carry own numbering
Notes
In Hungarian with summaries in English and contents in English and German, <2011>
Issuing Body
Vols. 51 (2011)-v. 52 (2012) called: Regional statistics, and carried own numbering. Beginning with volume 3 (2013), Regional statistics separated from Területi statisztika, and dropped numbering of parent title