This map shows the geographic impact of G. E. Ulrich'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 G. E. Ulrich with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites G. E. Ulrich more than expected).
This network shows the impact of papers produced by G. E. Ulrich. 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 G. E. Ulrich. The network helps show where G. E. Ulrich may publish in the future.
Co-authorship network of co-authors of G. E. Ulrich
This figure shows the co-authorship network connecting the top 25 collaborators of G. E. Ulrich.
A scholar is included among the top collaborators of G. E. Ulrich 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 G. E. Ulrich. G. E. Ulrich is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Ulrich, G. E., et al.. (1981). Geology of the Apollo 16 area, Central Lunar Highlands : prepared on behalf of the National Aeronautics and Space Administration.1 indexed citations
Moore, Richard B., Edward W. Wolfe, & G. E. Ulrich. (1976). Volcanic rocks of the eastern and northern parts of the San Francisco volcanic field, Arizona. Journal research U. S. geological survey. 4(5). 549–560.28 indexed citations
11.
Wolfe, Edward W., et al.. (1975). Geology of the Taurus-Littrow valley floor.. Lunar and Planetary Science Conference Proceedings. 3. 2463–2482.24 indexed citations
12.
Ulrich, G. E., et al.. (1975). Distribution of Ejecta From South Ray Crater. Lunar and Planetary Science Conference. 6. 832.4 indexed citations
Hodges, C. A., W. R. Muehlberger, & G. E. Ulrich. (1973). Geologic setting of Apollo 16. Lunar Science Conference. 4. 368.31 indexed citations
17.
Ulrich, G. E.. (1973). A geologic model for North Ray Crater and stratigraphic implications for the Descartes region. Lunar and Planetary Science Conference Proceedings. 4. 27.10 indexed citations
18.
Muehlberger, W. R., R. M. Batson, Keith A. Howard, et al.. (1972). Preliminary geologic investigation of the Apollo 16 landing site. 315. 6-1–6-81.25 indexed citations
19.
Batson, R. M., Milan Hait, H. E. Holt, et al.. (1971). Preliminary geologic investigations of the Apollo 14 landing site. NASA Technical Reports Server (NASA). 272. 39.12 indexed citations
20.
Ulrich, G. E.. (1969). Geologic map of the J. Herschel quadrangle of the moon. 604.4 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.