TY  - BOOK
AU  - Thien, Stephen J.
AU  - Graveel, John G.
TI  - Laboratory manual for soil science: agriculture & environmental principles
SN  - 0072428813
AV  - TA710 .T34 2003
PY  - 2003///
CY  - Boston
PB  - McGraw-Hill higher education
N1  - Includes appendix
ER  -