%0 Journal Article %A Day, Alan %A Nation, J. B. %T Congruence Normal Covers of Finitely Generated Lattice Varieties %J Canadian mathematical bulletin %D 1992 %P 311-320 %V 35 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-043-9/ %R 10.4153/CMB-1992-043-9 %F 10_4153_CMB_1992_043_9