. (3JGQjN GdYQHs - . (3MJj, ajdjHs; (3LQLj, GOhGQs; (3LHhQ, LHQGFjds ((3HjQhJs (3OGQ ZfOhQ ddWHGYI hGdfTQ hGdJhRjYs, 1974)
(3agQS aj BNQ GdcJGHs
Keywords: (3GdYQHs -- (3JGQjNs