McAllister, E. D. <br/><br/>
The effect of ultraviolet radiation on the ova of the ascarid roundworms toxocara cains and toxascaris leonina 

 - Washington :   Smithsonian Institution,   1934. 
 - 13 p. ;   21 cm. 
 - Smithsoian Miscellaneous Colections .
<br/><br/> Publ. 3291. Smithsonian Miscelleneos collections