Patent classifications as indicators of intellectual organization (Q57396800)
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Current Data About Patent classifications as indicators of intellectual organization
(P31) (Q13442814)

(P50) (Q6666591)
(P1932) Loet Leydesdorff
(P1545) 1

(P304) 1582-1597

(P407) (Q1860)

(P433) 10

(P478) 59

(P577) +2008-08-00T00:00:00Z

(P1433) (Q152040)

(P1476) "Patent classifications as indicators of intellectual organization" (language: en)

(P2860) (Q28243000)
(P248)
(P813) Friday, May 27, 2022
(P854) https://opencitations.net/index/coci/api/v1/citations/10.1126/SCIENCE.159.3810.56