A hill region transformed
Subtitle: introducing the Pi-Shih-Hang irrigation system.
Edition: 1st ed.
Publisher: Foreign Languages Press
Published: 1979
Place of publication: Peking
Language: eng
Number of pages: 123
Subjects: Irrigation -- China -- Henan Sheng.
Other titles: Qian li qiu lin zhan xin yan.
Notes: Colophon title: Qian li qiu lin zhan xin yan.