Medhat Ahmed Abdel- Khalek Ibraheem,  <br/><br/>
Development Of A Spectroscopic Technique For The Study Of Water Hyacinth As Indicator For Pollutants /  
 تطوير طريقة طيفية لدراسة نباتات مائية كدليل للتلوث  
By Medhat Ahmed Abdel- Khalek Ibraheem; Supervisors Prof.Dr. Naguib Farag Michael, Prof.Dr. Anis Bishay Basily, Prof.Dr. Hussein Ibraheem Abdel- Shafy. 
 - 103 Leaves :   illustrations ;   30 cm. +  
<br/><br/>Thesis (M.Sc.)-Cairo University, 1995.   
<br/><br/>Bibliography: pages 97-103. 
<br/><br/><label>Subjects--Index Terms: </label>Physics