(3Yde GdELQGe hYde GdYbGH(B:s (3OQGSI JMdjdjI ai CSHGH GdLQjeI hYdGL GdSdhc GdELQGei(B/s - (3YHhO GdSQGLs ((3GdchjJ (B:s (3LGeYI GdchjJ(B,s, 1981)
(3jMJhj Ydi bGFeI eQGLY (B245-254s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf LfGFjs; (3Yde GdELQGes