@article{DMGAA_2007_27_2_a5,
     author = {Denecke, Klaus and Glubudom, Prisana},
     title = {Nd-solid varieties},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {245--262},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2007_27_2_a5/}
}