TY  - BOOK
AU  - Wolf,Benjamin
AU  - Snyder,George H.
TI  - Sustainable soils: the placeof organic mattr in sustaining soils and their productivity 
SN  - 8181890175
U1  - 631.4 21
PY  - 2004///
CY  - New Delhi.
PB  - Interational book distributing
KW  - Soils
N1  - Includes bibliographical references and index
ER  -