1[4]NASA. Research maximization and prioritization (REMAP) task force. Report by the NASA biological and physical research to the NASA Advisory Council. July 2002
2[5]NASA. OBPR's research plan our past orbit, our current orbit-and beyond. December 19, 2002
3[6]Blum V. Closed equilibrated biological aquatic system(CEBAS). Low G,1997,8(2):8~9
4[7]Morrison DR, Mosier B, Cassanto JM. Low shear encapsulation of multiple drugs. Low G, 1998,9(1):19~21
2Commission on Physical Sciences Mathematics and Applications National Research Council. Biological sciences and biotechnology Microgravity research opportunities for the 1990s [R]. Committee on Microgravity Research Space Studies Board,1999:62 - 75.
3Zimmermann U, B ü echner K-H, Schnettier R.Elektrofusion von Hefeprotoplasten in TEXUS 11/12 [R].Final Campain Report.Bundesministerium f ü r Forschung und Technologie, Bonn,1985 : 39 - 41.
4Zimmermann U, Schnettler R, Hannig K. 1988,6b : 639 - 671.
6Hampp R, Naton B, Hoffmann E, Mehrle W. Microgravity science Technology, 1990, 3 : 168 - 172.
7Baumann T, Kreil W, Mehrle W, Hampp R, Reinhard E. Regeneration and characterization of protoplasts-derived cell lines from Digital-is Lanata EHRH. and Digitalis Purpurea L. suspension cultures after electrofusion under microgravity conditions[R]. In:4th European Symposium On "Life Sciences Research in Space,Trieste,Italy,ESA Publ. Division,Noordwijk,ESA SP-307,1990:405 - 410.
8von Keller A, Voeste D, Schnabl H, Electrofusion and regeneration of sunflower protoplasts under mi crogravity considering the ultrastruc-ture. In : Sahm PR, Keller MH, Schiwew B (eds)Scientific results of the German spacelab mission D-2. DLR,Koln, 1994:664 - 670.