Ivanov, A. V.,  (Artemiĭ Vasilʹevich) <br/><br/>
Pogonophora / 
Translated from the Russian and edited by D.B. Carlisle. With additional material by Eve C. Southward. 
 - xvi, 479 páginas :  ilustraciones 
<br/><br/><label>LC Class. No.: </label>QL391.P85  / I93