Prosr models 
<label>;</label> Levin, Gerald 
 - 3rd ed. 
 - New York  Harcourt Brace Jovanovich  1975 
 - xiii,434p.  21 cm. 
<br/><br/>L 
<br/><br/><label>ISBN: </label>0155722778 
<br/><br/><label>Dewey Class. No.: </label>808.4  / P