Zai chang de xian shi/: 20 shi ji 20 nian dai zhi 60 nian dai shan shui hua xie sheng yan jiu, Shi shang/: Er shi shi ji wu liu shi nian dai de shi xue yan jiu, Shi shang :: Er shi shi ji wu liu shi nian dai de shi xue yan jiu/ Shi shang :: Er shi shi ji wu liu shi nian dai de shi xue yan jiu /