1. Calcium absorption from culture solutions by sugar beets;Berry;Plant Physiol.,1966
2. Die Rolle des Oxalats im Stoffwechsel höherer grüner Pflanzen;Borkamm;Flora,1965
3. The relationship of oxalic acid to the translocation and utilisation of calcium in Nicotiana tabacum;Brumagen;Plant and Soil,1966
4. Relation of Ca-nutrition to the incidence of blossom-end rot in tomatoes;Evans;Amer. Soc. Hort. Sci. Proc.,1953
5. Zur Frage des Plasmalemmas bei Desmidialen;Herrmann;Protoplasma,1966