Zhang JH, Kong ZC, DU NQ(1996) Disastous abrupt climate events of environment change in Beijing in recent 15000 years. Journal of Catastrophology(in Chinese).11(2):71-75
|
Zhang JH, Kong ZC, DU NQ(1999) Vegetation and environmental changes in the Fangshan area of Beijing from 16000-7000 years B.P. Acta Microplaeontologica Sinica(in Chinese) 16(4):421-430
|
Zhang JH, Kong ZC, Du NQ(1997) Charcoal analysis and fire changes at Dongganchi of Fangshan in Beijing since 15000 years B.P. Acta Phytoecologica Sinica(in Chinese) 21(2):161-168
|