id author title date pages extension mime words sentences flesch summary cache txt work_nfe556jokrgzfcb66tmv2dvwfu Brian G Turner Structural biology of HIV 1 1Edited by P. E. Wright 1999 7 .pdf application/pdf 2501 275 50 Abstract: The increasing number of digitised publications published by national libraries and other heritage and benefits of the use of identification systems like DOI (Digital Object Identifier), ISBN (International Code), NBN (National Bibliography Number), SICI (Serial Item and Contribution Identifier), URN (Uniform Keywords: digital heritage, digitised publications, identifiers, DOI, ISBN, ISSN, ISTC, NBN, SICI, URN. Identifier), ISBN (International Standard Book Number), ISSN (International Standard Serial Number), ISTC (International Standard Text Code), NBN (National Bibliography Number), SICI (Serial Item and Contribution Identifier) and URN (Uniform Resource Number). presented in more detail: DOI (Digital Object Identifier), ISBN (International Standard Book NBN (National Bibliography Number), SICI (Serial Item and Contribution Identifier), URN (Uniform DOI (Digital Object Identifier) is based on the international standard ISO 26324:2012 [3]. ISSN is a unique identifier for a specific serial or other continuing resource in a [9] Using The ISSN (International Serial Standard Number) as URN (Uniform Resource Names) within an ./cache/work_nfe556jokrgzfcb66tmv2dvwfu.pdf ./txt/work_nfe556jokrgzfcb66tmv2dvwfu.txt