ISBN 084937443X books & textbook
Methods for Assessment of Soil Degradation: Advances in Soil Science
Lal, Rattan Blum, Winfried E. H. Valentin, C. Stewart, B.A.
CRC Press /1997-10-22 Hardcover / 572 Pages
isbn-10: 084937443X / isbn-13: 9780849374432
