Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
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Shadows of the Past in International Cooperation: Collaboration Profiles of the Top Five Producers of Science
The 6 references without a DOI — listed, not checked
no DOI — not checkedBorg, I., & Groenen, P. J. F. (2005). Modern multidimensional scaling (2nd ed.). Berlin: Springer.
no DOI — not checkedChen, C. (2003). Mapping scientific frontiers. Berlin: Springer.
no DOI — not checkedSchvaneveldt, R. W. (Ed.). (1990). Pathfinder associative networks. Westport: Ablex.
no DOI — not checkedVan Eck, N. J., Waltman, L., Dekker, R., & Van den Berg, J. (2008). An experimental comparison of bibliometric mapping techniques. Paper presented at the 10th International Conference on Science and Technology Indicators, Vienna.
no DOI — not checkedVan Eck, N. J., Waltman, L., Van den Berg, J., & Kaymak, U. (2006). Visualizing the computational intelligence field. IEEE Computational Intelligence Magazine,
1(4), 6–10.
no DOI — not checkedVargas-Quesada, B., & de Moya-Anegón, F. (2007). Visualizing the structure of science. New York: Springer.
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