Kern V.D., Hock B. (1996). Gravimorphogenesis and ultrastructure of the fungus Flammulina velutipes grown in space, on clinostats and under hyper-G conditions. Advances in Space Research. 17 (6–7): 183—186. Bibcode:1996AdSpR..17..183K. doi:10.1016/0273-1177(95)00633-P.
Kern V.D., Hock B. (1996). Gravimorphogenesis and ultrastructure of the fungus Flammulina velutipes grown in space, on clinostats and under hyper-G conditions. Advances in Space Research. 17 (6–7): 183—186. Bibcode:1996AdSpR..17..183K. doi:10.1016/0273-1177(95)00633-P.