TY  - BOOK
AU  - Horwitz, William (ed.)
TI  - Official methods of analysis of the association of official analytical chemists
U1  - 630.243 
PY  - 1980///
CY  - Washington
PB  - Association of Official Analytical Chemist
KW  - Chemistry
KW  - Agriculture
N1  - 12974; agricultural chemistry, pesticides, soil chemistry
ER  -