@article{GDZPPN00231312X, title = {Lower Bounds for the Order of K2(ZG) and Wh2(G).}, journal = {Mathematische Annalen}, volume = {219}, year = {1976}, pages = {97-104}, url = {http://dml.mathdoc.fr/item/GDZPPN00231312X} }
Stein, Michael R.; Dennis, R.Keith; Keating, Michael E. Lower Bounds for the Order of K2(ZG) and Wh2(G).. Mathematische Annalen, Tome 219 (1976) pp. 97-104. http://gdmltest.u-ga.fr/item/GDZPPN00231312X/