Peterka, Gerald James,  <br/><br/>
Some general determinants of the future trends and a forecast of labor union membership in the United States for the 1980's  [microform] / 
by Gerald James Peterka. 
 - Ann Arbor, Mich.:  University Microfilms International,  1980. 
 - 1 microfiche ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D)-United States International University, 1980. 
<br/><br/><label>ISBN: </label>Y910040702 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade--unions--United States.