Andersen, O.O.AndersenWaag, U.U.WaagSchneider, L.L.SchneiderStephani, G.G.StephaniKieback, B.B.Kieback2022-03-092022-03-091999https://publica.fraunhofer.de/handle/publica/333775en620660671Novel hollow sphere structures: Properties and processingconference paper