Sustainable Management of Vertisols - J. Keith Syers; Frits W.T. Penning De Vries Phibion Nyamudeza (Wallingford CAB International Publishing, 2001)
J. Keith Syers; Frits W.T. Penning De Vries & Phibion Nyamudeza: Sustainable Management of Vertisols. Wallingford. CAB International Publishing, 2001. 0-85199-450-4--(631.4KEI)
ENGLISH