%0 Journal Article %A Peter J. Dukes %A Kaoruko Iwasaki %T Incidence structures near configurations of type (n_3) %J Ars Mathematica Contemporanea %D 2020 %P 17-23 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1685.395/ %R 10.26493/1855-3974.1685.395 %G en %F 10_26493_1855_3974_1685_395