<div dir="ltr">Hi professor,<div><br></div><div>
                
        
        
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                                                <p><span style="font-size:17pt;font-family:NimbusSanL">NFS: </span><span style="font-size:17pt;font-family:CMTT12"><a href="http://www.cis.udel.edu/~srisatha/NFS/sld001.htm">http://www.cis.udel.edu/~srisatha/NFS/sld001.htm</a></span></p><p><span style="font-size:17pt;font-family:CMTT12"><br></span></p><p><span style="font-size:17pt;font-family:CMTT12">this link is broken.</span></p><p><span style="font-size:17pt;font-family:CMTT12"><br></span></p><p><span style="font-size:17pt;font-family:CMTT12">yours,</span></p><p><span style="font-family:CMTT12;font-size:17pt">Runxi Ding </span><br></p>
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