Plný text je přístupný pouze z počítačů Ostravské univerzity
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
Description based on: Data for 1985; title from PDF title page (FRASER website, viewed June 13, 2018).
Latest issue consulted: Data for 1990 (FRASER website, viewed June 13, 2018).