1. Assessing service-based innovation: a theoretical and practical analysis
  2. Improved photocatalytic water splitting activity of highly porous WO3 photoanodes by electrochemical H+ intercalation
  3. Jerzy Rusek, Wiеsłаw Boryś (rеd.), Prasłowiańszczyzna i jej rozpad. Warszawa: Еnеrgеia, 1998
  4. The origin of Late Roman Period–Post-Migration Period Lithuanian horses