1. UPTAKE OF Zn65
AND PRIMARY PRODUCTIVITY IN MARINE BENTHIC ALGAE1
2. 3. Z. Boszormenyi : Primary process of ion absorption by cells of higher plants . Inlimiting steps in ion uptake by plants from soil. -Int. Atomic Energy Agency. Tech. Reports Series No. 65. 1966 .
3. 4. E. Broda : Mechanism of uptake of trace elements by plants (Experiments with radiozinc). -In Isotopes and Radiation in Soil-plant Nutrition Studies, I.A.E.A., Vienna. STI(PUB)108 , 1965 .
4. ION Absorption and Transport in Plants