1. Modeling positronium beyond the single particle approximation. (29th February 2016) Authors: Zubiaga, A; Ervasti, M M; Makkonen, I; Harju, A; Tuomisto, F; Puska, M J Journal: Journal of physics Issue: Volume 49:Number 6(2016:Mar. 15) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗