Niehaus, M.M.NiehausTeipel, U.U.TeipelBunte, G.G.BunteKrause, H.H.H.H.KrauseWeisweiler, W.W.Weisweiler2022-03-092022-03-091996https://publica.fraunhofer.de/handle/publica/32728810.1016/S0921-8610(96)80059-8en660Supercritical fluid extraction of polar nitrogen containing-substancesconference paper