http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some Factors Afentıng The Insectıcıdal Actıon of Pyrethrum Extracts The Beet Leafhopper
F.H.Harrıes J.D. Decoursey R.N. Hofmaster