O'kane, W. C

Sodium soaps of the normal saturated fatty acids : contact performance on paraffin and on the larva of the meal worm, Tenebrio molitor, Linn / by W. C. O'kane and W. C. Westgate - Durham, N. H. : Agricultural Experiment Station - 4 p - New Hamsphire Agri. Exp. Sta. Tech. bull; 48 .

202749


Insecticidas -- Pruebas Control de plagas