(3fXGe GdYed hGdYeGd (B/s - (3GdSYhOjI(B.s (3hRGQI GdeGdjI hGdGbJUGO GdhWfj(B.s (3eWGHY GdMcheI GdCefjIs ((3GdQjGV (B:s (3hRGQI GdeGdjI hGdGbJUGO GdhWfj,s, 1900)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdYed hGdYeGds -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjIs