ISSN: 0044-9539
:Valid ISSN 0316-7380
:Valid ISSN 0316-7399
Googlehttps://www.google.com/search?q=ISSN+%220044-9539%22
Binghttps://www.bing.com/search?q=ISSN+%220044-9539%22
Yahoohttps://search.yahoo.com/search?p=ISSN%20%220044-9539%22
downloads requested
Labelled view
MARC21 view
UNIMARC view