Σκόρδα, Ε. Α. (1966). Studies on the physiologic races of wheat stem rust (p. graminis tritici) in Greece during the eight years 1955-1962. [s.l.]: [s.n.].

Σκόρδα, Ελπίδα Α. Studies On the Physiologic Races of Wheat Stem Rust (p. Graminis Tritici) in Greece During the Eight Years 1955-1962. [s.l.]: [s.n.], 1966.

Σκόρδα, Ελπίδα Α. Studies On the Physiologic Races of Wheat Stem Rust (p. Graminis Tritici) in Greece During the Eight Years 1955-1962. [s.l.]: [s.n.], 1966.