Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Neues_Jahrbuch_f%C3%BCr_Geologie_und_Pal%C3%A4ontologie
Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Neues_Jahrbuch_f%C3%BCr_Geologie_und_Pal%C3%A4ontologie
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038759772
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/3xhgruflqrfvhguxb2kfkovsea
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Neues_Jahrbuch_f%C3%BCr_Geologie_und_Pal%C3%A4ontologie
Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Neues_Jahrbuch_f%C3%BCr_Geologie_und_Pal%C3%A4ontologie
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038759772
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/3xhgruflqrfvhguxb2kfkovsea
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%220028-3630%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220028-3630%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220028-3630%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+0028-3630
