An atlas of the Sahara-Sahel : geography, economics and security. Paris : OECD, 2014. 249 s. West african studies. Available on Internet: <http://www.oecd-ilibrary.org/agriculture-and-food/an-atlas-of-the-sahara-sahel_9789264222359-en> ISBN 978-92-64-22234-2. ISSN 2074-3548.