00455nam a22001457a 4500003000800000005001700008008004100025040001200066082001500078100002700093245011200120260003800232300002900270650001000299BD-DhUL20150108125833.0150108s1958    us a|||| |||| 00| 0 eng d  cBD-DhUL  a598.2bMOS  aA. H. Helmy, Mihammed   aSystematic and experimental studies on protozoal blood parasites of Egyptian birds /cMihammed A. H. Helmy.  aCairo :bUniversity Press,c1958.  a 2 v. :bill. ;c24  cm.  aBirds