LI, YONGMEI. <br/><br/>
青春梦·北大根 :  北大工学1910-1952. 

 - 1st ed. 
 - 1 online resource (267 pages) 
<br/><br/><label>ISBN: </label>9787301233344 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.