TY - SCIENTIA GEOGRAPHICA SINICA A1 - Zhu Xianmo T1 - PROPER DEVELOPMENT AND CAREFULL PROTECTION OF LAND RESOURCES IN THE LOESS PLATEAU Y1 - 1984-03-20 00:00:00.0 JF - SCIENTIA GEOGRAPHICA SINICA JO - SCIENTIA GEOGRAPHICA SINICA SP - 97 EP - 105 VL - 4 IS - 2 UR - {http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.1984.02.97} N1 - 10.13249/j.cnki.sgs.1984.02.97 ER -