Free books for Mechanical engineering Gate -2011

please click on links for free download. For good quiality books You can buy just click on the books image.
Strength of Materials: Timoshenko, B.C. Punamia, Rama Murtham 
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Materials Science and Engineering: An Introduction 7e William D. Callister
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 Heat and Mass Transfer: JP Hollman,R.C. Sachdeva
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