RT Journal T1 KARST COLLAPSE AND ITS REMOTE SENSING DETECTION METHOD A1 Ru Jinwen, Je Xianyi, Mo Yuanfu PB Remote Sensing for Land & Resources FD 1992-12-24 YR 1992 JF Remote Sensing for Land & Resources JO Remote Sensing for Land & Resources VO 4 IS 4 SP 47 DO 10.6046/gtzyyg.1992.04.08 K1 LK {http://www.gtzyyg.com/EN/article/article_149.shtml}