@article{GT_2021_25_1_a2,
     author = {Boyland, Philip and de Carvalho, Andr\'e and Hall, Toby},
     title = {Natural extensions of unimodal maps: virtual sphere homeomorphisms and prime ends of basin boundaries},
     journal = {Geometry & topology},
     pages = {111--228},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2021},
     doi = {10.2140/gt.2021.25.111},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2021.25.111/}
}