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Blundell, S. J., & Blundell, K. M. (2009). Concepts in Thermal Physics (2nd Revised edition). Oxford University Press.
Sørensen, B. & ScienceDirect (Online service). (2017). Renewable energy: physics, engineering, environmental impacts, economics and planning (Fifth edition). Academic Press is an imprint of Elsevier. http://ezproxy.library.qmul.ac.uk/login?url=http://www.sciencedirect.com/science/book/9780128045671