Ma, Haitao <br/><br/>
The effect of geographical proximity on scientific cooperation among Chinese cities from 1990 to 2010.  [electronic resource] 

 -  PloS one  2014 
 - e111705 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1932-6203 
<br/><br/><label>Standard No.: </label>10.1371/journal.pone.0111705  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>China<br/>Humans<br/>Science<br/>Urban Renewal<br/>Urbanization