1. Reactor Institute TU Delft Website.
http://www.tnw.tudelft.nl/en/cooperation/facilities/reactor- instituut-delft/.
2. ESS website: http://europeanspallationsource.se/.
3. JINR Laboratory of Neutron Physics (Dubna) Website. http://flnph.jinr.ru/ru/.
4. S. F. Sidorkin and E. A. Koptelov, Poverkhn.: Rentgenovskie, Sinkhrotronnnye Neitr. Issled., No. 6, 97 (2013).
5. Reactor PIK (PNPI NRC KI, Gatchina) Website. http://www.pnpi.spb.ru/win/facil/pik.htm.