可视化

    山东历史时期冷暖旱涝状况分析
    郑景云, 郑斯中
    AN ANALYSIS ON COLD/WARM AND DRY/WET IN SHANDONG PROVINCE DURING HISTORICAL TIMES
    Zheng Jingyun, Zheng Sizhong
    地理学报 . 1993, (4): 348 -357 .  DOI: 10.11821/xb199304006