Berkovich, Yakov and Janko, Zvonimir. "§76. p-groups with few A1-subgroups". Volume 2, Berlin, New York: De Gruyter, 2008, pp. 282-315. https://doi.org/10.1515/9783110208238.282
Berkovich, Y. & Janko, Z. (2008). §76. p-groups with few A1-subgroups. In Volume 2 (pp. 282-315). Berlin, New York: De Gruyter. https://doi.org/10.1515/9783110208238.282
Berkovich, Y. and Janko, Z. 2008. §76. p-groups with few A1-subgroups. Volume 2. Berlin, New York: De Gruyter, pp. 282-315. https://doi.org/10.1515/9783110208238.282
Berkovich, Yakov and Janko, Zvonimir. "§76. p-groups with few A1-subgroups" In Volume 2, 282-315. Berlin, New York: De Gruyter, 2008. https://doi.org/10.1515/9783110208238.282