TY  - BOOK
AU  - Tan,Kim H.
TI  - Humic matter in soil and the environment: principles and controversies 
T2  - Books in soils, plants, and the environment
SN  - 9781482234459 (hardcover : alk. paper)
PY  - 2014///
CY  - Boca Raton
PB  - CRC Press
KW  - Humus
KW  - Soils
ER  -