• A. V. Nikulov. Quantum Brownian motion in nanostructures. Challenge of the second law of thermodynamics. The paper declined for the presentation at International Symposium "NANOSTRUCTURES: Physics and Technology" St Petersburg 17-21 June 2002.
• A. V. Nikulov. About Perpetuum Mobile without Emotions.
• A. V. Nikulov. Violation of the second thermodynamic law in a superconducting ring. Reported at XXII International Conference on Low Temperature Physics, Helsinki, Finland, August 4-11, 1999.
• A. V. Nikulov. A Possibility of Entropy Decrease in a Mesoscopic Superconducting Ring.