1. Professor, School of Land Science and Technology, China Univ. of Geosciences, Beijing 100083, China (corresponding author).
2. Professor, School of Land Science and Technology, China Univ. of Geosciences, Beijing 100083, China.
3. Director, Tangshan Real Estate Appraisal and Consultation Center, Beixinxi St., Lubei District, Tangshan, Hebei 063000, China.
4. School of Land Science and Technology, China Univ. of Geosciences, Beijing 100083, China.