HJØRLAND, Birger, NICOLAISEN, Jeppe. Scientific and scholarly classifications are not “naïve”: a comment to Begthol (2003). In: Knowledge organization. 2004, 31(1), 55-61. ISSN 0943-7444.
Preprint autorů volně dostupný z repozitáře UofArizona: http://arizona.openrepository.com/arizona/handle/10150/106296 nebo http://hdl.handle.net/10150/106296.