Lillard, Lee A, <br/><br/>
Components of variation in panel earnings data : American scientists 1960-70 / 
Lee A. Lillard and Yoram Weiss   
 - 29 pages ;  28 cm. 
 - The Rand paper series;  P-6040 .
 - The Rand paper series;  P-6040  .
<br/><br/>Includes bibliographical references (pages 28-29) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientists--Salaries, pensions, etc.--United States