TY - JOURNAL OF NATURAL RESOURCES A1 - SUN wu, NAN Ahongren, LI Bao sheng, ZHAN Bo T1 - An approach to the designing principle of desertification indicators Y1 - 2000-06-25 00:00:00.0 JF - JOURNAL OF NATURAL RESOURCES JO - JOURNAL OF NATURAL RESOURCES SP - 160 EP - 163 VL - 15 IS - 2 UR - {https://www.jnr.ac.cn/EN/10.11849/zrzyxb.2000.02.013} N1 - 10.11849/zrzyxb.2000.02.013 ER -