TY  - BOOK
AU  - Vaughan, D.,
TI  - Soil Organic Matter and Biological Activity
SN  - 9024731542
U1  - 631 
PY  - 1985///
CY  - Leiden
PB  - Martinus Nijhoff Publishers
KW  - Soil Organic
KW  - Techniques, equipment & materials
ER  -