??? 50 ???? ?? ???????? ???? ?????? ???????? ???????? ???????? ?? ????? ????? ?????? ?? ?????? ?? ????? ????? ??? ????? ?????? ?? ????? ?????? ???????? ?????? ?? ???????? ??????? ??????. ????? ??? ??? 1995 ??? ???? ?? ??? ?? ?????? ????? ?????? ???????? ???????? ???????? ?????? ?????? ????? ????? ??? ???? ?? 15? ?? ???????? ??????? ?????? ???? ???? ???? ?????? ??????. ????? ???? ???? ??????? ?? ?????? ???????? ???????? ???????? ?? ????? ????? ?????? ???? ?????.
A. ??????? ?????? (50-70 ????)? ????? 20th
???????? ?????? ?? ??????? ???????? ?????????? ???? ??????? ?? ??? ??????? ?? ??????? ???????? ?? ????? ??????? ??????? ????????? ?? ??????? ???????? ???????? ???????? ???????? ????? ????? ????? ???????? ???? ??? ???????? ??? ???? ???????? ?????? ?????? ?? ??????? ??????? ??????. ????? ?????? ??????? / ?????? ????? ?????? ??????? / ???? ?????? / ?????? ?????? ??? ?????? ???? ????? ?????? ????? ????? ????????. ????? ??? ?? ??????? ????????? ?????? ????? ????? ????? ????? ??????? ????? ???? ?????? ???????.
II. ????? ??????? ?????? (1980s ? 1990s)
??? ??????? ?? ???????? ?? ???????? ?????? ??? ?????? ????? ???? ??? ?????? ????????? ?????? ?? ????? ?? ????? ???????? ???? ???????? ??? ???? ??? ??????? ?? ??????? ????? ???? ???? ??????? ??????. ???? ????? ??????? ?????? ?????? ????????? ????? ?????? ????? ??????????? ????????? ?? ??????? ??? ????? ?????? ????? ??????? ??????? ??????? ?????? ????? ?? ??????????? ????????? ?? ???????? ????? ????????? ????? ??? ?????? ???????? ???????? ?? ?????? ???????? ?????? ?????????? ????? ??????? ?????? ??????? ????????. ????????? ??? ???? ????? ??? ?????? ????? ?? ????? ????? ??????? ?????? ???? ??? ????? ???? ???????? ???? ?? ??????? ????? ?????? ??????? ???????? ??????? ???????? ????.
III. ????? ??????? ??????? (2000 - ??? ????)
???? ??? ??????? ?????? ????? ??????? ?????? ????????? ?? ????? ???? ????????? ?????? ?????? ?????? ?????? ?????? ??? ???????? ?????????? ?? ????? ??????? ???? ??????. ??????? ??????? ??????? ????????? ????? ????? ??? ???????? ??????? ?????? ???? ???????? ?????? ??????? ???????? ???????? ????? ???????? ???????? ???????? ???????? ???? ??????? ?????? ???????? ??? ??????????? ???? ????? ????????? ?????? ?????? ??????????? ????? ????? ?????.
