@article {Ritchie1970,
	title = {The Beaches of Lewis and Harris: A Survey of the Beach, Dune and Machair Areas of Lewis and Harris},
	year = {1970},
	keywords = {Beaches, Dunes, Harris, Lewis, Machair},
	url = {http://www.snh.org.uk/pdfs/publications/commissioned_reports/The_beaches_of_Lewis_Harris.pdf},
	author = {Ritchie, W. and Mather, A.}
}
