TY - PROGRESS IN GEOGRAPHY A1 - Liu Yansui T1 - FAMILY MODELS USED IN OPTIMAL ALLOCATION OF REGIONAL LAND USE Y1 - 1999-01-24 00:00:00.0 JF - PROGRESS IN GEOGRAPHY JO - PROGRESS IN GEOGRAPHY SP - 26 EP - 31 VL - 18 IS - 1 UR - {https://www.progressingeography.com/EN/10.11820/dlkxjz.1999.01.004} N1 - 10.11820/dlkxjz.1999.01.004 ER -