ELEMENTARY QUANTA - ARE THEY DISCRETE, INDIVIDUAL ENTITIES? Статья Rangacharyulu C. Proceedings of SPIE - The International Society for Optical Engineering. SPIE. 2009. 74210R с.
CRYSTAL, SPIN, AND ELECTRONIC STRUCTURE OF THE SUPERCONDUCTOR LIFEAS Статья Li Z., Jin C.Q., Tse J.S. Physical Review B - Condensed Matter and Materials Physics. Том 80. 2009. 092503 с.