Sylven, Edvard
Studies on fruit leaf tortricids (lepidoptera) : with special reference to the periodicity of the adult moths by Edvard Sylven - Stockholm [S.l.] 1958 - 296 p. il. n. 24 cm - Statens Vaxtskyddsonstalt Meddlanden 11:74 . - Statens Vaxtskyddsonstalt Meddlanden .
Insecta Lepidoptera Proteccion de las plantas
Studies on fruit leaf tortricids (lepidoptera) : with special reference to the periodicity of the adult moths by Edvard Sylven - Stockholm [S.l.] 1958 - 296 p. il. n. 24 cm - Statens Vaxtskyddsonstalt Meddlanden 11:74 . - Statens Vaxtskyddsonstalt Meddlanden .
Insecta Lepidoptera Proteccion de las plantas