6GUO FANG,YU HONG.Subsidence study and reclamation in some coal mine areas of China[C]//Hyatt Regency,Sacramento,California:AEG.GRA 1995 Annual Meeting,1995:51.
7JOHNSON A I.An overview of international land subsidence due to fluid withdrawal[C]//Hyatt Regency,Sacramento,California:AEG.GRA 1995 Annual Meeting,1995:59.