Yao, Weitang Synthesis of early-transition-metal carbide and nitride nanoparticles through the urea route and their use as alkylation catalysts. [electronic resource] - Chemistry (Weinheim an der Bergstrasse, Germany) Nov 2009 - 11999-2004 p. digital Publication Type: Journal Article ISSN: 1521-3765 Standard No.: 10.1002/chem.200901496 doi