1. M. Artin and D. Mumford,
Some elementary examples of unirational varieties which are not rational,
Proc. Lond. Math. Soc. (3) 25 (1972), 75–95.
2. A. J. Bayes, J. Kautsky and J. W. Wamsley,
Computation in nilpotent groups (application)
Proceedings of the Second International Conference on the Theory of Groups,
Lecture Notes in Math. 372,
Springer, Berlin (1974), 82–89.
3. F. R. Beyl and J. Tappe,
Group Extensions, Representations, and the Schur Multiplicator,
Lecture Notes in Math. 958,
Springer, Berlin, 1982.
4. F. A. Bogomolov,
The Brauer group of quotient spaces of linear representations,
Izv. Akad. Nauk SSSR Ser. Mat. 51 (1987), no. 3, 485–516, 688.
5. J. García-Rodríguez, A. Jaikin-Zapirain and U. Jezernik,
Units of group rings, the Bogomolov multiplier and the fake degree conjecture,
Math. Proc. Cambridge Philos. Soc. 163 (2017), no. 1, 115–123.