Dittmann, Wolfgang, <br/><br/>
Logische Phantasien :  Herbert Grasemann und seine Schachaufgaben / 
Wolfgang Dittmann, Armin Geister, Dieter Kutzborski. 
 - 1 online resource (180 pages) 
<br/><br/><label>ISBN: </label>9783111460765 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chess problems.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>GV1451  / .D588 1986 
<br/><br/><label>Dewey Class. No.: </label>794.12