The LOFAR tied-array all-sky survey (LOTAAS): Characterization of 20 pulsar discoveries and their single-pulse behaviour. - Michilli, D; Bassa, C; Cooper, S; Hessels, J W T; Kondratiev, V I; Sanidas, S; Stappers, B W; Tan, C M; van Leeuwen, J; Cognard, I; Grießmeier, J-M; Lyne, A G; et al. (Monthly Notices of the Royal Astronomical Society, 2020)