@article{GDZPPN002405229, title = {Automorphisms of Quaternion-Free 2-Groups.}, journal = {Mathematische Zeitschrift}, volume = {111}, year = {1969}, pages = {52-58}, zbl = {0214.04203}, url = {http://dml.mathdoc.fr/item/GDZPPN002405229} }
Ward, Harold N. Automorphisms of Quaternion-Free 2-Groups.. Mathematische Zeitschrift, Tome 111 (1969) pp. 52-58. http://gdmltest.u-ga.fr/item/GDZPPN002405229/