Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Estudios_Filol%C3%B3gicos
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038851407
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q15716401
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/pmoa5sjlefhbvbvxg3jgturw4u
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Estudios_Filol%C3%B3gicos
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038851407
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q15716401
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/pmoa5sjlefhbvbvxg3jgturw4u
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+"0071-1713"
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220071-1713%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220071-1713%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+0071-1713