Modern hydrological practice: Lessens learned from hydrological development of Guangdong Province贺国庆, 陈芷菁, 李鹏, 钟秀英, 吴宏旭, 聂红海, 黄红明19-21
Changes of water resources conditions in recent 50 years and countermeasure in Shaanxi Province井涌44-46