Resources & Industries ›› 2009, Vol. 11 ›› Issue (2): 121-125.
• STUDY ON PROBLEMS • Previous Articles Next Articles
Wang Lan, Hou Min, Wang Jin-xing
(School of Land Science and Technology, China University of Geosciences, Beijing 100083, China)
王 兰,侯 敏,王金星
(中国地质大学 土地科学技术学院,北京 100083)