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020			_a978052559676
040			_cSTCPL
041			_aENG
041			_hENG
082			_a423 _bDAV-C
100			_aCrystal, David
245		4	_aThe cambridge encyclopedia of language / _cby David Crystal
250			_a2nd ed.
260			_aLondon : _bCambridge University Press , _c1987 .
300			_a480 p. _bPB
650			_aLanguage
650			_aEnglish language
650			_aEncyclopedia
942			_cBK
942			_2ddc _n0
999			_c45188 _d45188