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  _____      ___                ______    ______  
 / ____||   / _ \\      ___    /_   _//  /_____// 
/ //---`'  / //\ \\    /   ||   -| ||-   `____ `  
\ \\___   |  ___  ||  | [] ||   _| ||_   /___//   
 \_____|| |_||  |_||   \__ ||  /_____//  `__ `    
  `----`  `-`   `-`     -|_||  `-----`   /_//     
                         `-`             `-`

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Text this: 晚唐五代宋时期汉语喻母演变研究 = A STUDY ON THE EVOLVEMENT OF INITIAL YU FROM LATE TANG AND FIVE DYNASTIES TO SONG