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Publications by S. Gumiński
Über Die Direkte Und Indirekte Wirkung Der Humusverbindungen Auf Den Pflanzlichen Organismus. Vorläufige Mitteilung
Acta Societatis Botanicorum Poloniae
Plant Science
Comparison of Some Chemical and Physico-Chemical Properties of Natural and Model Sodium Humates and of the Biological Activity of Both Substances in Tomato Water Cultures
Acta Societatis Botanicorum Poloniae
Plant Science