TY  - BOOK
AU  - Tan, K. H,
TI  - Humic Matter in Soil and the Environment : Principles and Controversies
SN  - 0824742729
U1  - 631 
PY  - 2003///
CY  - New York
PB  - Marcel Dekker Inc.
KW  - Techniques, equipment & materials
ER  -