%0 Journal Article %A Bevelacqua, Anthony J. %A Motley, Mark J. %T Going-Down Results for Ci -Fields %J Canadian mathematical bulletin %D 2006 %P 11-20 %V 49 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2006-002-5/ %R 10.4153/CMB-2006-002-5 %F 10_4153_CMB_2006_002_5