. "郭青华" . "Qing Hua Guo" . "Qing-hua Guo" . "郭清華" . "hua" . "郭庆华" . "Qing" . "郭" . . "qing" . "Qing Hua" . "Hua" . "1900" . "郭青华" . "qing Guo qing hua" . "清華 郭" . "Qing-hua" . "郭清华" . "Qinghua Guo"@fr-FR . "Qinghua" . "Qing Hua Guo" . . . "Guo" . "Guo qing hua" . . "Guo" . . "郭庆华" . "清華" . "Kuo" . . "Qinghua" . . "郭清华" . "Guo"@fr-FR . "郭清華" . "Qing hua Guo" . . .