title: Solar physics: spots from rings.
authors.forename: Paula J
authors.initials: PJ
authors.lastname: Reimer
mesh_terms: D002250:Carbon Radioisotopes / Q000032:analysis; D017752:Greenhouse Effect; D008280:Magnetics; D019445:Solar Activity; D013997:Time Factors; D014197:Trees / Q000737:chemistry / Q000254:growth & development
chemical_list: D002250:Carbon Radioisotopes