@article{GDZPPN002407507, title = {Groups of Exponent 4 as Automorphism Groups.}, journal = {Mathematische Zeitschrift}, volume = {114}, year = {1970}, pages = {183-188}, zbl = {0198.34502}, url = {http://dml.mathdoc.fr/item/GDZPPN002407507} }
Hirsch, Kurt A.; Hallett, J.T. Groups of Exponent 4 as Automorphism Groups.. Mathematische Zeitschrift, Tome 114 (1970) pp. 183-188. http://gdmltest.u-ga.fr/item/GDZPPN002407507/