(3eUWai UGOb GdQGaYj (B: (3cGJHG YQHjG heacQG GSdGejGs - (3GdOcJhQ eUWai GdTcYIs ((3HjQhJs (3LGeYI HjQhJ GdYQHjIs, 1970)
Keywords: (3eUWai UGOb GdQaGYj (B-1937s