%0 Journal Article %A Heineken, Hermann %T Nilpotent groups of class two that can appear as central quotient groups %J Rendiconti del Seminario Matematico della Università di Padova %D 1990 %P 241-248 %V 84 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1990__84__241_0/ %G en %F RSMUP_1990__84__241_0