Roberts, Daniel A. 1922- Fundamentals of plant pathology / Daniel A. Roberts, Carl W. Boothroyd. - 2nd ed. - New York : W.H. Freeman and Co., c1984. - xvi, 432 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 0716715058 LCCN: 83020694 Subjects--Topical Terms: Plant diseases. LC Class. No.: SB731 / .R56 1984 Dewey Class. No.: 632 ROB1972