On endomorphisms of groups of order 32 with maximal subgroups C4 x C2 x C2Puusemp, Piret; Puusemp, PeeterProceedings of the Estonian Academy of Sciences2014 / p. 105-120https://artiklid.elnet.ee/record=b2673949*est
On endomorphisms of groups of order 32 with maximal subgroups C8 x C2Puusemp, Piret; Puusemp, PeeterProceedings of the Estonian Academy of Sciences2014 / p. 355-371