Sefve, Ivar,  1886- <br/><br/>
Die Hipparionen Nord-Chinas, 
by Ivar Sefve ... 
 - Peking,  Published by the Geological survey of China,  1927. 
 - 93 p., 7 l. incl. illus., tables, diagrs. vii pl.  30 cm. 
 - China. Geological survey. Palæontologia sinica, ser. c, vol. IV, fasc. 2 .
 - China.  Chung yang ti chih tiao chʻa so.  Paleontologia sinica ;  series C, v. 4, fasc. 2. .
<br/><br/>"Literaturverzeichnis": p. [89]-91. 
<br/><br/><label>LCCN: </label>gs 29000258 //r80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hipparion.<br/>Paleontology--China.
<br/><br/><label>LC Class. No.: </label>QE756.C6  QE882.U6  / A3 ser. C, vol. 4, fasc. 2