TY  - BOOK
AU  - Schnitzer, M., ed.
AU  - Khan, S U ed.
TI  - Soil organic matter
SN  - 0444408827
U1  - 631.417/SCH 
PY  - 1975///
CY  - Amsterdam
PB  - Elsevier Scientific Publishing Company
KW  - soil organic matter
ER  -