Acknowledgements

Grateful acknowledgement is made to the following sources:

Course image: POP [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] in Flickr made available under Creative Commons Attribution 2.0 Licence.

James Clackson

Trevor Fear

Geoffrey Horrocks

Naoko Yamagata

Every effort has been made to contact the copyright holders. If any have been inadvertently overlooked, the publishers will be pleased to make the necessary arrangements at the first opportunity.

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