  Population Pressure the Environment and Agricultural Intensification Variations on the Boserup Hypothesis [M a D I a Discussion Paper] (Paperback) ISBN-13: 9780821313206 ISBN-10: 0821313207 ?  A Rapidly Reconfigurable Application Layer VIrtual Environment Network Protocol (Other) ISBN-13: 9781423581642 ISBN-10: 1423581644 ? |
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