[Virus diseases in peppermint (Mentha piperita L.) in German Democratic Republic].
D005859:Germany, East; D010942:Plant Viruses / Q000302:isolation & purification*; D010946:Plants, Medicinal; D014777:Virus Diseases
Viruskrankheiten an Pfefferminze (Mentha piperita L.) in der Deutschen Demokratischen Republik.