共 4 条
- [1] FU L, 1992, APPL THEORY GRAY SYS
- [2] PAN XF, 2004, SCI TECHNOL, P65
- [3] Stability study of oasis ecosystems in and land areas of western China [J]. ECOSYSTEMS DYNAMICS, ECOSYSTEM-SOCIETY INTERACTIONS, AND REMOTE SENSING APPLICATIONS FOR SEMI-ARID AND ARID LAND, PTS 1 AND 2, 2003, 4890 : 19 - 28
- [4] WU Y, 1999, THEORY PRACTICE MATH