Finding a class of 2-groupsTamberg, TatjanaProceedings of the Estonian Academy of Sciences2010 / 4, p. 370-374 https://artiklid.elnet.ee/record=b2184973*est

Some classes of finite 2-groups and their endomorphism semigroups = Mõnedest lõplike 2-rühmade klassidest ja nende endomorfismipoolrühmadestTamberg, Tatjana2012 https://www.ester.ee/record=b2756572*est