Volker D. Kern, B. Hock: Gravimorphogenesis and ultrastructure of the fungus Flammulina velutipes grown in space, on clinostats and under hyper-G conditions. In: Life and Gravity: Physiological and Morphological Responses. Band 17, Nr. 6-7, 1996, S. 183–186. doi:10.1016/0273-1177(95)00633-P.
David Moore, Bertold Hock, John P. Greening, Volker D. Kern, Lilyann Novak Frazer, Jan Monzer: Gravimorphogenesis in agarics. In: Mycological Research. Band 100, Nr. 3, 1996, S. 257–275. doi:10.1016/S0953-7562(96)80152-3