This map shows the geographic impact of Karel Kupka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Karel Kupka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karel Kupka more than expected).
This network shows the impact of papers produced by Karel Kupka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Karel Kupka. The network helps show where Karel Kupka may publish in the future.
Co-authorship network of co-authors of Karel Kupka
This figure shows the co-authorship network connecting the top 25 collaborators of Karel Kupka.
A scholar is included among the top collaborators of Karel Kupka based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Karel Kupka. Karel Kupka is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Olejarová, Marta, et al.. (2000). Comparison of clinical, laboratory, radiographic, and scintigraphic findings in erosive and nonerosive hand osteoarthritis. Results of a two-year study.. PubMed. 67(2). 107–12.27 indexed citations
Christ, F., Karel Kupka, & U. Wagner. (1977). [Experience with the Marshall-Marchetti operation for stress incontinence (author's transl)].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 37(6). 516–20.2 indexed citations
Collomb, H, et al.. (1970). The neuroleptics. 11. Epidemiology and sociological aspects.. PubMed. 5. 157–63.1 indexed citations
17.
Kupka, Karel, et al.. (1968). Sampling studies on the epidemiology and control of trachoma in southern Morocco.. PubMed. 39(4). 547–66.34 indexed citations
Kupka, Karel, A. P. Elkin, & André Bretón. (1965). Dawn of art : painting and sculpture of Australian aborigines.6 indexed citations
20.
Kupka, Karel. (1962). Un art à l'état brut.1 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.