Schulz, Otto Eugen <br/><br/>
Cruciferae-Draba et Erophila 
Otto Eugen Schulz 
 - Dehra Dun  Bishen Singh Mahendra Pal Singh  1991 
 - 396 p. : ill. ; 26 cm 
<br/><br/> includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cruciferae
<br/><br/><label>Dewey Class. No.: </label>580 SCH