Energy harvesting - recent advances in materials, devices and applications : symposium held April 25-29 2011, San Francisco, California, USA / by Venkatasubramanian, Rama 533046, Radousky, Harry Brian, 1955- 533047, Liang, Hong 301048, Materials Research Society. Meeting (2011 : San Francisco, Calif.). 533048, Symposium E, "Energy Harvesting - Recent Advances in Materials, Devices and Applications" (2011 : San Francisco, Calif.) 533049