Maass, Joachim,  1901-1972. <br/><br/>
Der fall de la Ronciere / 
Joachim Maass. 
 - Stuttgart :  Ernst Klett,  1978. 
 - 56 p. 
<br/><br/> GER.ER. 
<br/><br/><label>ISBN: </label>312559250X 
<br/><br/><label>LC Class. No.: </label>PT2379.M15