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