Mohamed Mahmoud Naguib Hosni , Study onproperties and efficiency of soil liners / دراسة فى خواص وكفاءة التبطين بالتربة By Mohamed Mahmoud Naguib Hosni ; Supervised Dr. Abdel Fattah Abouleid, Dr. Abdel Salam Salem, Dr. A. Amr Darrag - 153 Pages : illustrations ; 25 cm. + Thesis (Ph.D)-Cairo University, 1994 Bibliography: pages 148 : 153 Subjects--Index Terms: Study onproperties and efficiency soil liners