. Die Mittel zur Bekämpfung der Pflanzenkrankheiten . aeb. 12. ©eifenljeimer ganglampe. 16b. 13. ©cifcn^eimer ganglompe im 2)ur*Wnitt.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplantdi, bookyear1914