1. McStas Program Package. http://www.mcstas.org/
2. VITESS Program Package. http://www.helmholtz-ber-lin.de/vitess/
3. S. Manoshin, A. Rubtsov, V. Bodnarchuk, et al., J. Neutron Res. 17 (1) (2013, in press).
4. MagNet Program Package. http://www.infolytica.com
5. A. Ioffe, Physica B. 335, 169 (2003).