(3GdJbjjO hGdEjVGM (B:s (3TQM ebOeI GHf GdUdGM (B/s - (3GdMGaX GdYQGbj, YHO GdQMje Hf GdMSjf Hf YHO GdQMef,s 725-806 (3g`(B.s; (3YKeGf, YHO GdQMef eMeOs; (3GHf GdUdGM, YKeGf Hf YHO GdQMef Hf YKeGf,s 577-643 (3g`(B.s ((3GdbGgQI (B:s (3OGQ GdacQ ddWHGYI hGdfTQ hGdJhRjY,s, 1981)
Keywords: (3GdMOjKs -- (3Ydhes; (3GdMOjKs -- (3eUWdMs