TY  - BOOK
AU  - Helrich,Kenneth
ED  - Association of Official Analytical Chemists
TI  - Official methods of analysis
SN  - 0935584-42-0
SN  - 00066-961
CY  - Arlington
KW  - Química agrícola
KW  - Análisis de los alimentos
KW  - Sustancias químicas
N1  - Contiene: Vol. 1, agricultural chemical contaminangs; drug. -- Vol. 2, food composition, additives; natural contaminants
ER  -