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(1 - 5 of 5)
Some modifications to the SNIP journal impact indicator
Waltman, L.R.; Eck, N.J.P. van; Leeuwen, T.N. van; Visser, M.S. 2012
Some modifications to the SNIP journal impact indicator
External research report
open access
The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation
Waltman, L.R.; Calero Medina, C.M.; Kosten, J.; Noyons, E.C.M.; Tijssen, R.J.W.; Eck, N.J.P. van; ... ; Wouters, P. 2012
The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation
External research report
open access
Towards a new crown indicator: An empirical analysis
Waltman, L.R.; Eck, N.J.P. van; Leeuwen, T.N. van; Visser, M.S.; Raan, A.F.J. van 2010
Towards a new crown indicator: An empirical analysis
External research report
open access
Rivals for the crown: Reply to Opthof and Leydesdorff
Raan, A.F.J. van; Leeuwen, T.N. van; Visser, M.S.; Eck, N.J.P. van; Waltman, L.R. 2010
Rivals for the crown: Reply to Opthof and Leydesdorff
External research report
open access
Towards a new crown indicator: Some theoretical considerations
Waltman, L.R.; Eck, N.J.P. van; Leeuwen, T.N. van; Visser, M.S.; Raan, A.F.J. van 2010
Towards a new crown indicator: Some theoretical considerations
External research report
open access