href='//www.scirp.org/html/1-2270197_35906.htm' target='_blank' style='font-weight:bold;text-decoration:none;border:1px solid #d5d5d5;padding:1px 3px;height:17px; line-height:17px; display:inline-block;' >Full-Text HTML XML   Pub. Date: August 16, 2013

DOI: 10.4236/aim.2013.35054   4,134 Downloads  6,649 Views  Citations

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