@Article{ FinNur15, author = { Fino, Anna and Nurowski, Paweł }, title = { Analog of selfduality in dimension nine }, journal = { J. Reine Angew. Math. }, year = { 2015 }, doi = { 10.1515/crelle-2013-0010 }, volume = { 699 }, pages = { 67-110 }, URL = { https://gecogedi.dimai.unifi.it/paper/193/ }, note = { cvgmt preprint} }