Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
Articles are in English, French, German, Hungarian, and Russian; in English, German, or French only, <2013->
Issued by: Magyar Természettudományi Múzeum, <2002->