TY  - BOOK
AU  - Lepper, Henry A.
TI  - Official Methods of Analysis of the Association of Official Agricultural Chemists
U1  - 543.06 
PY  - 1920///,
CY  - Washington
PB  - Association of Official Agricultural Chemists
KW  - Analysis
KW  - Association
KW  - Agricultural
KW  - Chemistry
ER  -