The semiaquatic bugs:  Hemiptera, Gerromorpha phylogeny, adaptations, biogeography and classification / 
N. Moller Anderson. 
 - Klampenborg, Denmark:  Scandinavian Science Press,  1982. 
 - 455p.:  ill.;  26 cm. 
 - Entomonograph  vol.3. .
<br/><br/><label>ISBN: </label>8787491052 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Hemiptera