Szczecińska Grupa Kosmologiczna / Szczecin Cosmology Group

University of Odense (Denmark),
University of Cambridge (England),
University of Sussex (England),
University of Portsmouth(England),
University of Glasgow (Scotland),
University of Greifswald (Germany),
University of Rostock (Germany),
University of Cologne (Germany),
Max-Planck Institute for Gravitational Physics Golm (Germany),
Kharkov Institute of Physics and Technology (Ukraine),
Bogolyubov Institute for Theoretical Physics Kiev (Ukraine),
Bogolyubov Laboratory for Theoretical Physics Dubna (Russia),
University of Napoli (Italy),
Katolicki Uniwersytet Lubelski Jana Pawla II (Poland),
Centrum Kopernika Badań Interdyscyplinarnych (Poland).