Horstadius, Sven,  1898- <br/><br/>
Experimental embryology of echinoderms / 
Sven Horstadius 
 - Oxford :  Clarendon Press,  1973 
 - 192 p. :  ill. ;  25 cm. 
<br/><br/><label>LCCN: </label>73-181011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sea urchin embryo<br/>Embryology, Experimental