Yuan gu de hu huan
Subtitle: Ningxia yan hua yan jiu li cheng
By: Qiao Hua, Yang Huiling
Publisher: Ningxia ren min chu ban she
Published: 2010
Place of publication: Yinchuan
Language: chi
ISBN-13: 9787227043874
Other titles: Ningxia yan hua yan jiu li cheng