Lipetz, Ben-Ami. <br/><br/>
Measurment of efficiency of scientific research   
by Ben-Ami Lipetz. 
 - U.S.A  Intermedia, Inc.  1965 
 - xv, 261p. 
<br/><br/><label>LCCN: </label>65-23581 
<br/><br/><label>Dewey Class. No.: </label>500.72  / N65