van den Oord, Ad <br/><br/>
The Population Ecology of Technology: An Empirical Study of US Biotechnology Patents from 1976 to 2003.  [electronic resource] 

 -  PloS one  2017 
 - e0169961 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1932-6203 
<br/><br/><label>Standard No.: </label>10.1371/journal.pone.0169961  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotechnology--statistics & numerical data<br/>Empirical Research<br/>Models, Theoretical<br/>Patents as Topic<br/>United States