Susan A. Ward, Emeritus Professor, Faculty of Biological Science, University of Leeds and Human Bio-Energetics Research Centre, Crickhowell, Powys, United KingdomISBN: 9781615043729 | PDF ISBN: 9781615043736Copyright © 2014 | 93 PagesDOI: 10.4199/C00108ED1V01Y201406ISP052Many institutions worldwide provide digital library access to Morgan & Claypool titles. You can check for personal access by clicking on the DOI link.