Wallace, T. The diagnosis of mineral deficiencies in plants by visual symptoms: A colour atlas and guide (3a ed.).
Lua i Stíl Chicago (17ú heag.)Wallace, T. The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms: A Colour Atlas and Guide. 3a ed.
Lua MLA (8ú heag.)Wallace, T. The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms: A Colour Atlas and Guide. 3a ed.
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