1. Chapter 3 in Quantum foundations and open quantum systems, eds. Theo M Nieuwenhuizen, Claudia Pombo, Claudio Furtado, Andrei Yu Khrennikov, Inácio A Pedrosa, and Václav Špička, World Scientific, 2014, pp. 83-192.
  2. EPJ Web of Conferences 75 (2014) 02004-p.1-02004-p.4.
  3. International Journal of Modern Physics B 28 (2014) 1430013-1-1430013-103.