00529cam a2200205 i 4500 0393064107. 0393091678 DLC 333 NOR 1976 A077 Or. Eckholm, Erik P. Losing ground : environmental stress and world food prospects / 1st ed. New York : Norton, c1976. 223 p. ; 22 cm. Includes index. Agriculture Nature Food supply. Soil erosion. EK 15612 15612 0 0 0 333_000000000000000_NOR_1976_A077_OR 0 69138 LBA LBA A077 2017-12-04 333 NOR 1976 A077 Or. A07091 2017-12-04 2017-12-04 EK