2崔海亭.On the demarcation of subalpine and alpine in North China[J].Chinese Science Bulletin(科学通报),1983,28(8):494-497.
3宋朝枢.Scientific Survey in Hebei Xiaowutaishan Nature Reserve(河北小五台山自然保护区科学考察)[M].China Forestry Press,Beijing,2001..
4于澎涛 刘鸿雁.Surface pollen and its climatical significance of vertical zone Beitai,Xiaowutai Mountain[J].Acta Scientiarum Naturalium Universitatis Pekincnsis(北京大学学报),1997,33(4):475-484.