A Design Theory for Spontaneous Volunteer Coordination Systems in Disaster Response
H. Betke, M. Sperling, G. Schryen, S. Sackmann, in: Proceedings of the 57th Hawaii International Conference on System Science (HICSS 2024), Oahu, Hawaii, USA, 2024.

Literature Reviews in Operations Research: A New Taxonomy and a Meta Review
G. Schryen, M. Sperling, Computers &; Operations Research 157 (2023).

Decision Support for Disaster Relief: Coordinating Spontaneous Volunteers
M. Sperling, G. Schryen, European Journal of Operational Research (EJOR) 299 (2022) 690–705.