Previous ed.: / S.E.T. Taylor and H.A. Parmar. 1988.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Ground studies for pilots. Vol.1, Radio aids by R. B. Underdown. ISBN 063203601X. Published by BSP Professional. in 1993. Publication and catalogue information, links to buy online and reader comments.
