Zi yuan lun
By: Wang Ziping, Feng Baixia, Xu Jingzhen zhu
Contributors: Feng, Baixia; Xu, Jingzhen
Edition: Di 1 ban
Publisher: Hebei ke xue ji shu chu ban she
Published: 2001
Place of publication: Shijiazhuang Shi
Language: chi
Number of pages: 596
Subjects: Economic development; Natural resources
Notes: Includes bibliographical references.