Pierpont, Roger L
Terpene ethers in pyrethrum and rotenone fly sprays /
Roger L. Pierpont
- Newark, Delaware : Agricultural Experiment Station
- 59 p.
- Delaware. Agri. Exp. Sta., Bull.; 217, Technical; 24 .
202060
Insecticidas -- AnĂ¡lisis Piretro como insecticida