(3GdeYLe GddZhi dOjhGf WQaI Hf GdYHO (B/ s - (3eMeO YHOGdhgGH TMGJg s; (3YHOGdMcje QGVi (B: s; (3eMehO agei MLGRi (B: s ((3GdbGgQI (B: s (3eMeO YHOGdhgGH TMGJg (B: s, 1981)
(3GWQhMI (B((3eGLSJjQ(B) - (3LGeYI GdbGgQI (B- (3cdjI GdGOGH (B- (3bSe GddZI GdYQHjI hGOGHgGs