'These articles were published in the "Eastern Daily Press" ...' - title page verso.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Norfolk nature reserves : a tour by Jonathan Mardle, of the 'Eastern Daily Press' in the [Norfolk Naturalists'] Trust's reserves, Spring 1972 by Norfolk Naturalists Trust. ISBN 0901022047. Published by Norfolk Naturalists Trust in 1972. Publication and catalogue information, links to buy online and reader comments.
![Norfolk nature reserves : a tour by Jonathan Mardle, of the 'Eastern Daily Press' in the [Norfolk Naturalists'] Trust's reserves, Spring 1972](http://ecx.images-amazon.com/images/I/511BWYg-YbL._SL160_.jpg)