Water and conservancy and irrigation in China : Social, economic and agrotechnical aspects - E.B. Vermeer (Hague Leiden University Press, 1977)
E.B. Vermeer: Water and conservancy and irrigation in China : Social, economic and agrotechnical aspects. Hague. Leiden University Press, 1977. 90-6021-410-2--(631.70951VER)
ENGLISH