Yang, Yongzheng2002-01-232004-05-192011-01-052004-05-192011-01-051996http://hdl.handle.net/1885/40254http://digitalcollections.anu.edu.au/handle/1885/40254Abstract not available.25449 bytesapplication/pdfen-AUChinafood securitygrain productionarable landself-sufficiencygrain marketingimports1996