Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Dutch_Birding
Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Dutch_Birding
Wikipedia: ru.wikipedia.or ... https://ru.wikipedia.org/wiki/Dutch_Birding_(%D0%B6%D1%83%D1%80%D0%BD%D0%B0%D0%BB)
SUDOC: www.sudoc.fr/08 ... http://www.sudoc.fr/089108078
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q687092
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/ctrork2uwvdyfkgllfyth5qhry
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Dutch_Birding
Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Dutch_Birding
Wikipedia: ru.wikipedia.or ... https://ru.wikipedia.org/wiki/Dutch_Birding_(%D0%B6%D1%83%D1%80%D0%BD%D0%B0%D0%BB)
SUDOC: www.sudoc.fr/08 ... http://www.sudoc.fr/089108078
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q687092
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/ctrork2uwvdyfkgllfyth5qhry
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+"0167-2878"
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Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220167-2878%22
Koninklijke Bibliotheek: opc4.kb.nl/DB=1 ... http://opc4.kb.nl/DB=1/LNG=EN/CMD?ACT=SRCHA&IKT=8&TRM=0167-2878
