Mujallid، M. S. I.، Taylor، E. W.، و Butler، P. J. (1996). Structural, Ultrastructural and Morphometric Changes in the Gills of Brown Trout, Salmo Trutta, Seasonally Acclimated to 5 & 15 0c, Following Exposure to Copper Soft Acidic Water (رسالة دكتوراه غير منشورة). University of Birmingham، برمنغهام. مسترجع من http://search.mandumah.com/Record/608768
Mujallid، Mohammad Salim Ibrahim، E. W. Taylor، و P. J. Butler. "Structural, Ultrastructural and Morphometric Changes in the Gills of Brown Trout, Salmo Trutta, Seasonally Acclimated to 5 & 15 0c, Following Exposure to Copper Soft Acidic Water" رسالة دكتوراه. University of Birmingham، برمنغهام، 1996. مسترجع من http://search.mandumah.com/Record/608768