Biazrov L. G. 2012: Stable nitrogen isotopes ((ä15N) in the thalli of arid vagrant lichen Xanthoparmelia camtschadalis across altitudinal gradient in Khangai plateau, Mongolia. - Siberian ecological zhurnal 2012(2): 267-276. [RLL List # 234 / Rec.# 35246] Abstract: In Russian.