Percival, John.
Agricultural botany : theoretical and practical / John Percival. - 8th ed. - London : Duckworth, c 1954. - x, 839 p. : ill. ; 20 cm.
Includes index.
333 333
Economic botany.
581.6 / P412a
Agricultural botany : theoretical and practical / John Percival. - 8th ed. - London : Duckworth, c 1954. - x, 839 p. : ill. ; 20 cm.
Includes index.
333 333
Economic botany.
581.6 / P412a