Publication - Journal Article Planar Posets that are Accessible from Below Have Dimension at Most 6 DOI https://doi.org/10.1007/s11083-020-09525-4 Journal Article Order, vol. 38, iss. 1, pp. 21-36, 2020 Authors Csaba Biró, Bartłomiej Bosek, Heather C. Smith, William T. Trotter, Ruidong Wang, Stephen J. Young Language English