Harrison, D N <br/><br/>
Studies on a macronuclear endosymbiont of Spirostomum ambiguum. I. Isolation of the microorganism from the macronucleus.  [electronic resource] 

 -  Transactions of the American Microscopical Society  Oct 1976 
 - 560-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-0023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Bacteria--classification<br/>Cell Nucleus--microbiology<br/>Ciliophora--microbiology<br/>Symbiosis