1. Abstract; Cell culture Eng.II, Santa Barbara, USA, Dec. 3–8, 1989, G.Mignot, V.Ganne, T.Faure, H.van de Pol, CNTS, France
2. “The use of macroporous gelatin microcarriers for the cultivation of mammalian cells in fluidized bed bio reactors”, M.Reiter, O.Hohenwarter, T.Gaida, N.Zach, C.Schmatz, G.Bluml, K.Nilsson, H.Katinger, Submitted for publication.
3. Dr.P.Mann, Univ. of New Mexico, US, personal communication.