TY  - BOOK
AU  - Schnitzer, M.
AU  - Khan, Shahamat U.
TI  - Soil organic matter
T2  - Developments in soil Science
U1  - 631.43 
PY  - 1978///
CY  - Amsterdam
PB  - Elsevier
KW  - Suelos
KW  - Materia orgánica
ER  -