Kenaga, C.B.
Plant disease syllabus / C.B.Kenaga , E.B.Williams, aut. ; R.J.Green . - Lafayette : Balt Publishers, 1971 . - vi- : couv.ill. ; 28 cm
632.
Plant disease syllabus / C.B.Kenaga , E.B.Williams, aut. ; R.J.Green . - Lafayette : Balt Publishers, 1971 . - vi- : couv.ill. ; 28 cm
632.