Ploszaj, A., Yan, X., & Börner, K. (2020). The impact of air transport availability on research collaboration: A case study of four universities. Plos one, 15(9), e0238360. Access published article here: https://doi.org/10.1371/journal.pone.0238360

Olechnicka, A., & Płoszaj, A. (2019). Running faster or measuring better? How Central and Eastern European science is catching up with Western Europe. [in]: Social and Economic Development in Central and Eastern Europe: Stability and Change after 1990, Routledge. Preprint is available here: http://www.euroreg.uw.edu.pl/en/publications,running-faster-2015

Olechnicka, A., Ploszaj, A., & Celińska-Janowicz, D. (2019). The geography of scientific collaboration. Routledge. For mor information see here. A limited number of review copies is available on request (please send an email to a.ploszaj@uw.edu.pl).