SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/039396398
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q96326171
KEEPERS link: archive.org/det ... https://archive.org/details/pub_british-plastics
KEEPERS link: archive.org/det ... https://archive.org/details/pub_european-plastics-news
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/uqylhx654zfkhas6ctz2kjg4ha
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/039396398
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q96326171
KEEPERS link: archive.org/det ... https://archive.org/details/pub_british-plastics
KEEPERS link: archive.org/det ... https://archive.org/details/pub_european-plastics-news
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/uqylhx654zfkhas6ctz2kjg4ha
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%220306-3534%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220306-3534%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220306-3534%22
