TY  - BOOK
AU  - Rattan Lal; C. Valentin; Winfried E. H. Blum; B.A. Stewart
TI  - Methods for Assessment of Soil Degradation
SN  - 9781003068716
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9781003068716
ER  -