TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - ZHOU Yu-hua1, ZHANG Guan-yu2, ZHANG Li3 T1 - Internal-outer data circle and dynamic data-recovery Y1 - 2010-08-16 JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 99 EP - 103 VL - 45 IS - 8 UR - http://lxbwk.njournal.sdu.edu.cn N1 - ER -