000 00516pab a2200169 454500
008 180718b2003 xxu||||| |||| 00| 0 eng d
100 _aWoft, J. et al.
245 _aUrban and peri-urban agricultural production in Beijing municipality and its impact on water quality
260 _c2003
300 _ap.141-56.
362 _aOct
650 _aWater quality - China
650 _aAgricultural production - China
650 _aAgricultural production
773 _aEnvironment and Urbanization
909 _a58810
999 _c58810
_d58810