TY  - BOOK
AU  - Roark, R. C.
AU  - Keenan, G. L.
TI  - Adulteration of insect powder with powdered daisy flowers (Chrysanthemum leucanthemum L.)
CY  - Washington
PB  -  Department of Agriculture
KW  - Insecticidas
KW  -  Análisis  Piretro como insecticida
ER  -