00371nam 2219179 450000100060000000300230000600500090002900800410003810000260007926000520010530000090015724500850016619179StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  aAlexandria University bAlexandria(EGYPT): Alexandria University c1987 a129p aBulletin of the Faculty of Science Alexandria University / Alexandria University