Acknowledgements
Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:
Course image: Kenny Louie [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] in Flickr made available under Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence.
The content acknowledged below is Proprietary and used under licence (not subject to Creative Commons licence). See Terms and Conditions.
Figure 3: Clarissa Leahy/Photofusion;
Figure 4: Bubbles.
Copyright © John Burningham
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