http://www.qqml.net/index.php/qqml/article/view/331
DHopf's tagged items 07/02/2017
https://gut.bmj.com/content/66/Suppl_2/A50.3
DHopf's tagged items 06/17/2017
https://link.springer.com/article/10.1007/s00784-017-2108-0
DHopf's tagged items 03/26/2017
https://link.springer.com/article/10.1007/s11192-017-2414-y
DHopf's tagged items 03/23/2017
https://www.tandfonline.com/doi/full/10.1080/0194262X.2016.1273815
DHopf's tagged items 01/31/2017
https://journals.sagepub.com/doi/10.1177/1077695816668864
DHopf's tagged items 09/15/2016
https://link.springer.com/article/10.1007/s11192-016-2067-2
DHopf's tagged items 07/23/2016
https://arxiv.org/abs/1512.05741
DHopf's tagged items 04/30/2016
https://liberquarterly.eu/article/view/10820
DHopf's tagged items 04/05/2016
https://www.research.manchester.ac.uk/portal/en/publications/open-access-to-journal-articles-in-dentistry(74f0af1f-6155-4744-8220-de79526bcf89).html
DHopf's tagged items 02/11/2016
https://www.tandfonline.com/doi/full/10.1517/17460441.2016.1144587
DHopf's tagged items 10/19/2015
https://link.springer.com/article/10.1007/s11192-015-1607-5
DHopf's tagged items 06/03/2015
https://direct.mit.edu/rest/article-abstract/97/1/144/58208/Does-Online-Availability-Increase-Citations-Theory?redirectedFrom=fulltext
DHopf's tagged items 03/01/2015
https://www.emerald.com/insight/content/doi/10.1108/LHT-05-2014-0039/full/html
DHopf's tagged items 11/11/2014
https://www.emerald.com/insight/content/doi/10.1108/EL-12-2012-0164/full/html
DHopf's tagged items 11/02/2014
https://www.emerald.com/insight/content/doi/10.1108/ILDS-01-2014-0003/full/html
DHopf's tagged items 08/12/2014
https://docs.lib.purdue.edu/iatul/2014/bibliometrics/2/
DHopf's tagged items 06/03/2014
https://www.escienceediting.org/journal/view.php?doi=10.6087/kcse.2014.1.24
DHopf's tagged items 03/13/2014
https://onlinelibrary.wiley.com/doi/abs/10.1087/20140104
DHopf's tagged items 01/01/2014
https://www.tandfonline.com/doi/abs/10.1080/00987913.2012.10765436
DHopf's tagged items 12/05/2013
https://link.springer.com/article/10.1007/s11192-013-1167-5
DHopf's tagged items 11/13/2013
https://peerj.com/articles/175/
DHopf's tagged items 10/01/2013
https://pureportal.coventry.ac.uk/en/publications/a-project-exploring-open-access-monograph-publishing-in-the-nethe-2
https://link.springer.com/article/10.1007/s11192-013-1101-x
DHopf's tagged items 08/02/2013
http://boac.ceon.rs/index.php/BOAC/12/paper/view/68/8
DHopf's tagged items 12/31/2012