[2]
Tree-ring based PDSI reconstruction since AD 1842 in the Ortindag Sand Land,east Inner Mongolia[J]. ECKSTEIN Dieter.Chinese Science Bulletin. 2007(19)
[2]
Tree-ring based PDSI reconstruction since AD 1842 in the Ortindag Sand Land,east Inner Mongolia[J]. ECKSTEIN Dieter.Chinese Science Bulletin. 2007(19)