Similar to CiNii_(識別子)
MGP (識別子)
MR (識別子)
NAID (識別子)
NARA (識別子)
NARA (identifier)NCID (識別子)
NCL (識別子)
NDL (識別子)
NGA (識別子)
NGA (identifier)NGV (識別子)
NKC (識別子)
NKC (identifier)NLA (識別子)
NLA (identifier)NLI (識別子)
NLK (識別子)
NLK (identifier)NLP (識別子)
NLR (識別子)
OCLC (識別子)
OL (識別子)
ORCID (識別子)
PIC (識別子)
PIC (identifier)PLWABN (識別子)
PLWABN (identifier)PMC (識別子)
PMID (識別子)
RFC (識別子)
RID (識別子)
RKDartists (識別子)
RKDartists (identifier)RSL (識別子)
SBN (識別子)
Scopus (識別子)