TY - `BOOK` AU - Reining, Ludger TI - Erosion in Andean hillside farming : characterization and reduction of soil erosion by water in small scale cassava cropping systems in the Southern Central Cordillera of Colombia PB - Margraf CY - Weikersheim PY - 1992 LA - ger SE - 219 S. T2 - Hohenheim tropical agricultural series M1 - 1 N1 - Zugl.: Hohenheim, Univ., Diss., 1990 SN - 3-8236-1211-5 SN - 978-3-8236-1211-7 CN - WS/ZC 16300 R372 AN - UBHD-65308849 ER -