Magdy Youssef Amin , The Contraction of magnetized cloud / انكماش سحابة بين نجمية ممغنطة By Magdy Youssef Amin ; Supervised Prof. Dr. A. Aiad , Prof. Dr. Bader G . Ateya, Prof.Dr. M. A. Sharf, Dr. M. S. El Nawawy. - 285 Leaves : illustrations ; 30 cm. + Thesis (Ph.D.) -Cairo University, 1994 Bibliography: pages 275-285. Subjects--Index Terms: cloud magnetized