Proceedings of the IFIP working conference on command languages (1974  Swedan) <br/><br/>
Command languages   
ed by Claus Unger 
 - Amsterdam  North-Holland  1974 
 - vii, 401p. 
<br/><br/><label>ISBN: </label>0720428289 
<br/><br/><label>Dewey Class. No.: </label>001.642406  / N751