Campañas contra el hambre /

by Stakman, Elvin Charles
Published 1969

Campaigns against hunger /

by Stakman, Elvin Charles 1885-1979, Stakman, Elvin Charles 1885-1979
Published 1967

Principios de patología vegetal /

by Stakman, Elvin Charles 1885-1979, Stakman, Elvin Charles 1885-1979, Harrar, Jacob George 1906-
Published 1977

Principles of plant pathology /

by Stakman, Elvin Charles 1885-1979, Stakman, Elvin Charles 1885-1979, Harrar, Jacob George 1906-
Published 1957

Principios de patología vegetal /

by Stakman, Elvin Charles 1885-1979, Stakman, Elvin Charles 1885-1979, Harrar, Jacob George 1906-
Published 1968

Principios de patología vegetal /

by Stakman, Elvin Charles 1885-1979, Stakman, Elvin Charles 1885-1979, Harrar, Jacob George 1906-
Published 1963

Campaña contra el hambre /

by Stakman, Elvin Charles 1885-1979, Stakman, Elvin Charles 1885-1979, Bradfield, Richard n. 1896, Mangelsdorf, Paul Christoph n. 1899
Published 1969