Title: Gansu Sheng Longxi Xian tu rang zhi, (chu gao) /
Authors: Long xi xian tu rang pu cha wei yuan hui ban gong shi.
Publisher: Gansu Sheng nong lin ting tu rang pu cha ban gong shi,
Year: 1959
Subjects: Longxi Xian (Gansu Sheng, China) History.; Soils China Longxi Xian (Gansu Sheng) History.