(3eUQ (B... (3GdEeHQjGdjI h GdKhQI (B: s (3KhQI (B1919 / s - (3HjQc, LGcs; (3TGgjf, jhfSs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1987)
Keywords: (3GdJGQjN GdSjGSjs; (3GdKhQGJs; (3JGQjN eUQs; (3GdKhQI GdeUQjI (B1919s