Carla Binucci Giordano Da Lozzo Emilio Di Giacomo Walter Didimo Tamara Mchedlidze Maurizio Patrignani Upward Book Embeddability of st-Graphs: Complexity and Algorithms. 3521-3571 2023 December 85 Algorithmica 12 https://doi.org/10.1007/s00453-023-01142-y db/journals/algorithmica/algorithmica85.html#BinucciLGDMP23