TY  - BOOK
AU  - Lepper, Henry A., ed.
TI  - Official Methods of Analysis of the Association of Official Agricultural Chemists
U1  - 631.8 
PY  - 1920///
CY  - Washington
PB  - Association of Official Agricultural Chemists
KW  - AgriculturalChemists
KW  - Fertilizer
KW  - Plants
N1  - Includes bibliographical references and index
ER  -