(3SjGSI GdQOY hGdUQGYGJ GdEbdjejI (B: s (3GdeWGeM hGdeZGdWGJ hGdNjGQGJ GdKGHJI (B/ s - (3LQGj, chdf S s ((3CHh XHj (B: s (3eQcR GdEeGQGJ ddOQGSGJ hGdHMhK GdGSJQGJjLjI,s, 1900)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3GdefGRYGJ GdOhdjIs; (3GdSjGSI GdOhdjI s; (3GdUQGY GdSjGSj s