000 00465nam a22001817a 4500
999 _c782
_d782
003 OSt
005 20200624110114.0
008 161013b xxu||||| |||| 00| 0 eng d
040 _cNARA
082 _a551.48
_bPRO
100 _914193
_aInternational Research and Training Centre on Erosion and Sedimentation
245 _aProceeding of the International Symposium on Comprehensive Watershed Management
260 _aChina,
_bPatent Documentation,
_c1998,
300 _axi,565p.
_c25cm.
650 _aInternational Symposium
650 _aComprehensive Watershed
650 _aManagement
942 _2udc
_cBK