The Fight for the Right to Food J. Ziegler, C. Golay, C. Mahon E-Book (pdf)

Organization and Function of the Eucaryotic Genome I. Grummt, A. B. Tziomenko, A. R. Schäffner E-Book (pdf)

Sustainable Energy, second edition Jefferson W. Tester, Elisabeth M. Drake, Michael J. Driscoll E-Book (epub)