%0 Journal Article %A V. Koubek %A J. Sichler %T Almost $ff$-universal and $q$-universal varieties of modular $0$-lattices %J Colloquium Mathematicum %D 2004 %P 161-182 %V 101 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm101-2-3/ %R 10.4064/cm101-2-3 %G en %F 10_4064_cm101_2_3