共 4 条
[1]
[2]
[3]
Was there a ‘medieval warm period’; and if so; where and when?.[J].Malcolm K. Hughes;Henry F. Diaz.Climatic Change.1994, 2
[4]
Reconstructing climatic and environmental changes of the past 1000 years: reappraisal..Soon W; Baliunas S; Idso C; et al;.Energy and Environment.2003,

