Mann, K.H. <br/><br/>
Leeches (Hirudinea):  their structure, physiology, ecology and embryology 
by K.H. Mann 
 - 1st ed. 
 - New York:  Pergamon Press  1962 
 - v.2; viii, 110p. 
<br/><br/><label>ISBN: </label>9781379060055 
<br/><br/><label>Dewey Class. No.: </label>K86:3  / K2.2