MiguelÁngel Gracia-Pinilla, Domingo Ferrer, Sergio Mejía-Rosales and Eduardo Pérez-Tijerina*
* Corresponding author: Eduardo Pérez-Tijerina eduardo.pereztj@uanl.edu.mx
Nanoscale Research Letters 2009, 4:896-902 doi:10.1007/s11671-009-9328-4
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