TY  - BOOK
AU  - Piccolo, Alessandro
TI  - Humic substances in terrestrial ecosystems
SN  - 0444815163
U1  - 631.417.2 
PY  - 1996///
CY  - Amsterdam
PB  - Elsevier Science B.V
KW  - Soil organic matter
KW  - Tropical ecosystems
ER  -