TY  - BOOK
AU  - Tan, Kim H
TI  - Humic matter in soil and the environment: Principles and controversies. 2nd ed
SN  - 9781482234459
U1  - 631.417 T1532H 
PY  - 2014///
CY  - Boca Raton
PB  - CRC Press
KW  - Humus-Environmental
KW  - Agriculture
ER  -