1. Group Extensions, Representations and the Schur Multiplier;Beyl,1982
2. Monomiality of groups;Bioch;Thesis, Leiden,1975
3. On n-isoclinic groups;Bioch;Indag. Math.,1976
4. Monomiality and isoclinism of groups;Bioch;J. reine ang. Math.,1978
5. The Groups of Order 2n (n≤6);Hall,1964