@book{abcbook,
 title={Multi-Winner Voting with Approval Preferences}, 
 DOI={10.1007/978-3-031-09016-5}, 
 series={SpringerBriefs in Intelligent Systems}, 
 publisher={Springer International Publishing}, 
 author={Lackner, Martin and Skowron, Piotr}, 
 year={2023},
}