SPIS Open-Source Code: Methods, Capabilities, Achievements, and Prospects Roussel, J. -F. ; Rogier, F. ; Dufour, G. ; Mateo-Velez, J. -C. ; Forest, J. ; Hilgers, A. ; Rodgers, D. ; Girard, L. ; Payan, D. Abstract Publication: IEEE Transactions on Plasma Science Pub Date: October 2008 DOI: 10.1109/TPS.2008.2002327 Bibcode: 2008ITPS...36.2360R