Nanoscale Research Letters
Nanoscale Research Letters > 2010 > 5 > 1 > 217-223
Nanoscale Research Letters > 2010 > 5 > 2 > 360-363
Nanoscale Research Letters > 2010 > 5 > 11 > 1762-1767
Nanoscale Research Letters > 2010 > 5 > 11 > 1836-1840