Wilson, Mildred Stratton. <br/><br/>
An Emened Diagnosis of the Copepod Genus Pupulina (caligoida), with Descriptions of new Species and a Redescription of the Genotype 

 - Washington :   Smithsonian Institution,   1952. 
 - 245 p. ;   18 cm. 
 - Proccedings of the United States National Museum ;   vol.102, n.3301 .