B.E.J. Wheeler Introduction to palnt diseases - London John Wiley & Sons Ltd 1969 - 374p B.E.J. Wheeler: Introduction to palnt diseases. London. John Wiley & Sons Ltd, 1969. 0-471-93752-5--(632.3WHE) ENGLISH ISBN: 0-471-93752-5 Dewey Class. No.: 632.3 / WHE