P1042 Includes bibliographical references (page 67).
Buy a copy
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Concrete across Clywedog : The history of a valley within the Upper Severn basin by Brian Poole. ISBN 9780954113933. Published by Powysland Club in 2014. Publication and catalogue information, links to buy online and reader comments.