000			00419pam a2200157a 44500
008			160408b1980 xxu||||| |||| 00| 0 eng d
082			_a410 _bL331o
100			_aLass, Roger
245	1		_aON EXPLAINING LANGUAGE CHANGE
260			_aCambridge _bUniversity _c1980
300			_axiii,186
440			_aCambridge Studies In Linguistics _vV. 27
650			_aLinguistic Change
964			_gCIRC
997			_aA75783 C
999			_c290733 _d290733