Wittrock, Jan <br/><br/>
Reducing seasonal unemployment in the construction industry :  methods of stabilising construction activity and employee income / 
Jan Wittrock 
 - Paris :  OECD ,  1967 
 - 284p. ;  24 cm. 
 - Developing job opportunities .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Employment<br/>Unemployment<br/>Construction industry
<br/><br/><label>Dewey Class. No.: </label>331.11  / WIT