Okpokwasili, Gideon C. <br/><br/>
The role of plasmids in phenanthrene degradations by bacteria isolated from an estuary  [microform] / 
by Gideon C. Okpokwasili. 
 - Ann Arbor, Mich. :  University Microfilms International,  1985. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - University of Maryland, 1984. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polycylic aromatic hydrocarbons.<br/>Phenanthrene.