TY  - GEN
AU  - Khan, S.O.
AU  - Schnitzer, M.
TI  - Soil organic matter
T2  - Development in soil science 8
SN  - 0444408827
U1  - 631.417 SCH 
CY  - Amsterdam, Elsevier scientific publishing company
KW  - Soil chemistry/ Soil - organic matter
ER  -