This map shows the geographic impact of P. Halonen'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 P. Halonen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. Halonen more than expected).
This network shows the impact of papers produced by P. Halonen. 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 P. Halonen. The network helps show where P. Halonen may publish in the future.
Co-authorship network of co-authors of P. Halonen
This figure shows the co-authorship network connecting the top 25 collaborators of P. Halonen.
A scholar is included among the top collaborators of P. Halonen 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 P. Halonen. P. Halonen is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
All Works
20 of 20 papers shown
1.
Halonen, P., Leena Myllys, Teuvo Ahtı, & О. В. Петрова. (1999). The lichen genus Usnea in East Fennoscandia. III. The shrubby species. Annales Botanici Fennici. 36.24 indexed citations
Halonen, P., et al.. (1992). Lichens as indicators of air pollution in Oulu, northern Finland. Annales Botanici Fennici. 29(1). 1–9.20 indexed citations
6.
Laaksonen, Toni, et al.. (1990). Coverage of public oral health services for young children in Finland.. PubMed. 86(3-4). 127–35.4 indexed citations
Frisch-Niggemeyer, W, P. Halonen, F Heinz, C Kunz, & Barry Ziola. (1978). [Solid-phase radioimmunoassay for class specific immunoglobulins against tick-borne encephalitis virus (author's transl)].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 6(3). 110–7.4 indexed citations
15.
Meurman, Olli, Pertti Arstila, M. Panelius, et al.. (1977). Solid-phase radioimmunoassay detection of rubella virus IgG antibody in serum and CSF of patients with multiple sclerosis.. Apmis. 85(2). 113–116.12 indexed citations
Panelius, M., A. Salmi, & P. Halonen. (1970). Gel precipitation reactions between measles antigens and sera of patients with multiple sclerosis.. Apmis. 78(5).10 indexed citations
Oker-Blom, N, K Penttinen, A. Salminen, et al.. (1957). [Etiology of serous meningitis in Finland; virological and leptospiral studies on 134 patients at the Aurora Hospital in Helsinki from 1952-1955].. PubMed. 57(17). 621–4.
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.