1. On p-groups of finite order;Berkovich;Sibirsk. Mat. Z.,1968
2. On a special class of p-groups;Blackburn;Acta Math.,1958
3. Generalizations of certain elementary theorems on p-groups;Blackburn,1961
4. A contribution to the theory of groups of prime-power order;Hall,1933
5. On a theorem of Frobenius;Hall,1936