TY  - BOOK
AU  - Henry A. Lepper
TI  - Official methods of analysis of the association of official agricultural chemists. Ed 7
U1  - 630.24 
PY  - 1950///
CY  - Washington
PB  - Association of afficial agricultural chemists
N1  - Henry A. Lepper: Official methods of analysis of the association of official agricultural chemists. Ed 7.  (7th Edition)  Washington.  Association of afficial agricultural chemists, 1950.--(630.24LEP)
ER  -