Y. Ma, T. Hertel, Z. Vardeny, G. Fleming, and L. Valkunas. CARBON NA NOTUBES: ADVANCED TOPICS IN THE SYNTHESIS, STRUCTURE,
PROPERTIES AND APPLICATIONS, volume 111 of Topics in Applied Physics, (2008)
J. Zhu, M. Ma, J. Guo, and Z. Wang. INTERNATIONAL JOURNAL OF PATTERN RECOGNITION AND ARTIFICIAL INTELLIGENCE, 21 (2):
375-395(March 2007)International Workshop on Web Personalization, Recommender Systems and
Intelligent User Interfaces, Reading, ENGLAND, OCT, 2005.
M. Karplus, Y. Gao, J. Ma, A. van der Vaart, and W. Yang. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 363 (1827):
331-355(February 2005)