, , . (French and Raven) : , , , [5]. - , : , .
, . , , . , . . - , . 1500 .; , 1000 . , , , , , 1500 . , , , . , , 1500 . 20- , , , . 1300 ., 300 ., . (. 6.2 .)
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6.2
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, , . , , , , . , , , . . . (Blumstein, R., Haggling in cyberspace transforms car sales. The Wall Street Journal, December 30, 1977, pp. Bl, B6. McGrow, D., Will he own the road? U.S. News & World Report, October 20, 1977, pp. 4554.) . , , 100 : , , . , 2200 ., 2000 .; , . , 1500 ., , , . ( 7, .)
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