(3bQGAGJ aj JGQjN GdYdhe YfO GdYQH (B/s - (3ehQGfj,MejO,s; (3efJUQ,YHO GdMdje,s ((3GdehUd,fjfhi,GdYQGb (B: s (3OGQ GdcJH ddWHGYI hGdfTQ,s, 1974)
Keywords: (3GdYdhe(B-s -- (3JGQjNs