Immobilized Protoplasts under Microgravity Conditions. Preliminary Results from the S/MM-03 Mission Iversen, T. -H. ; Johnsson, A. ; Skagen, E. B. ; Beisvag, Tor ; Chinga, Gary ; Andreassen, Paul ; Kittang, A. -I. ; Wold A. B. ; Kristensen, A. ; Rasmussen, O. Abstract Publication: ESA Special Publication Pub Date: June 1996 Bibcode: 1996ESASP.390...29I