00377nam a2200133Ia 450000500170000000800410001702000220005805000230008010000250010324500560012825000080018426000260019265000250021820251229125354.0251229s9999    xx            000 0 und d  a978-0-340-69166-3  aG 1046 .J4W67 1992  aMiddleton, Nick ( ed 0aWorld Atlas of desertificationcNick ( ed Middleton  a2nd  aLondonb Arnoldc1992  aDesertification-Maps