Stiles, Walter, 1886- Trace elements in plants and animals / Walter, Stiles. - Cambridge [Eng.] : New York, The University press; The Macm illan company, 1946. - xi, 189 p. : plates.; 21 cm. LCCN: 47-000555 Subjects--Topical Terms: Plants--Nutrition.Deficiency diseases in plants.Deficiency diseases. Dewey Class. No.: 574.21 STI