McFee, R. V. Mathematics in agriculture / R. V. McFee. - 2nd ed. - New York : Prentice-Hall, 1954. - x, 208 p. : ill. ; 22 cm. - Prentice-Hall mathematics series ; . Includes index. 337 337 Subjects--Topical Terms: Mathematics.Agriculture. Dewey Class. No.: 510 / M173m