Birla Institute of Technology and Science, Pilani, Available Volumes: Vol.136-211,1949-81 Birla Institute of Technology and Science, Pilani, Available Volumes: Vol.210-374,1951-81 University of Hyderabad, Hyderabad, Available Volumes: Vol.78-408, 1907-1986 University of Hyderabad, Hyderabad, Available Volumes: Vol.191-229, 1975-1986