Robert Tijssen

Research collaboration at a distance: Changing spatial patterns of scientific collaboration within Europe

Jarno Hoekman, Koen Frenken, Robert Tijssen · Research Policy · 2010 · 553 citations

Changing Spatial Patterns, Scientific Collaboration, Regional Collaboration +7

The Leiden ranking 2011/2012: Data collection, indicators, and interpretation

Ludo Waltman, Clara Calero‐Medina, Joost Kosten et al. · Journal of the American Society for Information Science and Technology · 2012 · 440 citations

Altmetrics, Citation Impact, Leiden Ranking 2011/2012 +15

Language biases in the coverage of the Science Citation Index and its consequencesfor international comparisons of national research performance

Thed N. van Leeuwen, Henk F. Moed, Robert Tijssen et al. · Scientometrics · 2001 · 424 citations

The measurement of international scientific collaboration

Terttu Luukkonen, Robert Tijssen, Olle Persson et al. · Scientometrics · 1993 · 340 citations

International Management, International Research, International Cooperation +8

Chinese researchers returning home: Impacts of international mobility on research collaboration and scientific productivity

Koen Jonkers, Robert Tijssen · Scientometrics · 2008 · 312 citations

International Research, East Asian Studies, Global Connection +8