Westermann Sprachbuch :  7. Schuljahr / 
Elisabeth Becker ... et al. 
 - Braunschweig :  Georg Westermann Verlag,  1973. 
 - 120 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>314110607X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>German language--Grammar, Comparative and general