Ahmed, Shaimaa Moustafa Hamed. <br/><br/>
Biochemical and molecular studies on some nitrogen fixing bacteria  [computer file]\ 
 دراسات كيميائيه حيويه وجزيئيه على بعض البكتريا المثبته للنيتروجين. 
Shaimaa Moustafa Hamed Ahmed. 
 -  2009. 
 - Computer  laser  optical disk;   4 3/4 in. 
<br/><br/>Thesis (M.S.) -- Ain Shams University,2009 . 
<br/><br/>Includes bibliographical references (leaves98-120) . 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen-fixing bacteria.<br/>Nitrogen-fixing microorganisms.<br/>Azospirillum.