Khafagi, Prof,Dr.A.M.A. <br/><br/>
Journal of King Abdul Aziz University, Marinel Science 

 - Jeddah: Scientific Publishing Centre,K.A.U 
 -  Page-148 
<br/><br/><label>ISBN: </label>1012-8840 
<br/><br/><label>Dewey Class. No.: </label>574.92/K45m