(3GdeSQM GdTYQj ddGWaGd (B: (3LMG hGdHNjd(B-(3gRjeI GHQgI(B-(3Mj Hf jbXGf(B-(3GdOQhjT hGdWeGY(B-(3GdGejQ hUGMHI GdchN(B-(3GdWjH hGdTQjQ(B-(3GdhaGA HGdhYO(B-(3GdGejQ GdafGf(B-(3GdLRGA GdYGOd(B-(3GdbGVj LMG (B/ s - (3GMeO Shjdes ((3GdbGgQI (B: s (3eDSSI GdNdjL GdYQHi , s, 1987)
Keywords: (3GdGWaGds; (3GdTYQs; (3bUU GdGWaGds; (3eSQM GdGWaGds