Volume & Issue: Volume 11, Issue 3, November 2019 
Patella caerulea (Mollusca, Gastropoda) as Bio-Indicator for Certain Pollutants at El-Mex Bay, Alexandria, Egypt

Pages 13-28

El-Damhogy, Kh. A.; Ahmed M. Abdel-Halim; Mansour A.E. Bashar; Khaled M. Abdel-Salam; Abdel-Salam A. Abou Ellif