. , 2003 .

, . " " .

:
. . : . : , Sojourner () 1996 , - . . . (- Rover) , , , . , ( III), .

.

, :

:

▪ 

▪  ( )

▪  . .., .., .., .., .., 1988

▪  . .., 1977

▪  ?

▪  , 36

▪  . 13


All languages of the site:


Arabic

Hebrew

Polish

Bengali

Hindi

Portuguese

Chinese

Italian

Spanish

English

Japanese

Turkish

French

Korean

Ukrainian

German

Malay

Vietnamese