Wheeler, B.E. J.
An introduction to plant diseases /by B.E. J. Wheeler - [Chichester] John Wiley 1969 - ix, 374 pages
Includes references and index.
471937525
632 / WHE
An introduction to plant diseases /by B.E. J. Wheeler - [Chichester] John Wiley 1969 - ix, 374 pages
Includes references and index.
471937525
632 / WHE