TY - JOUR T1 - Assimilation and isotopic fractionation of nitrogen by mycorrhizal and nonmycorrhizal subarctic plants JO - NEW PHYTOL PY - 2001/08/01 AU - Emmerton KS AU - Callaghan TV AU - Jones HE AU - Leake JR AU - Michelsen A AU - Read DJ ED - VL - 151 IS - 2 SP - 513 EP - 524 Y2 - 2025/04/10 ER -