References

1. http://www.google.com/imgres?imgurl=http://2.bp.blogspot.com/_b2oABZsjwCI/TH1CVqtYdwI/AAAAAAAAASE/-w65tjYKVu8/s400/Troy%2BPolamalu%27s%2Blong%2Blocks%2Binsured%2Bfor%2B%241%2Bmillion%2Bnews,&imgrefurl=http://sports24e.blogspot.com/2010_08_01_archive.html&usg=__Tx1qa0vbRm6tUVsXEY-4Wtz8mYM=&h=266&w=400&sz=27&hl=en&start=82&zoom=1&tbnid=1iPKeHnrodnFaM:&tbnh=111&tbnw=202&ei=osdGTazlNIWRgQety73dAQ&prev=/images%3Fq%3Dpolamalu%2Blong%2Bhair%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DX%26biw%3D1024%26bih%3D407%26tbs%3Disch:10%2C2045&um=1&itbs=1&iact=hc&vpx=421&vpy=133&dur=3120&hovh=183&hovw=275&tx=124&ty=132&oei=PMdGTaCJB4KglAechI38Dw&esq=17&page=8&ndsp=11&ved=1t:429,r:8,s:82&biw=1024&bih=407 2. Literature book.