Issues No. 02 – No. 25 (Years: 1989 – 2013)
Each Issue and articles could be accessed directly by the
first link: Arcanum Database
second link: Database of the Hungarian Academy of Science (Real-J Database)
Click on the link to access of Issues.
The official Journal DOI number registered in 2014 and the identification of all articles with unique DOI numbers started in 2014 also. So during the former period (between 1989 and 2013), Journal articles can not be accessed by DOI numbers.