SPARROW, A H Tolerance of certain higher plants to chronic exposure to gamma radiation from cobalt-601. [electronic resource] - Science (New York, N.Y.) Dec 1953 - 697-8 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.118.3075.697 doi Subjects--Topical Terms: CobaltCobalt RadioisotopesGamma RaysPlants--radiation effectsRadioactivity