The powdery mildews / edited by D.M. Spencer. - London ; New York : London ; New York : Academic Press, 1978. Includes bibliographies and index. ISBN: L.28.00 LCCN: 77092827 //r85 Nat. Bib. No.: GB*** Subjects--Topical Terms: Powdery mildew diseases.Erysiphaceae. LC Class. No.: SB741.P72 / P68 Dewey Class. No.: 632/.4/3