000			00526nam a2200145Ia 4500
008			230724s9999 xx 000 0 und d
020			_a9780521097987 _qpbk
082			_a415.019 _bDER
100			_aDerwing, Bruce L.
245		0	_aTransformational Grammar As A Theory Of Language Acquisition; A Study In The Empirical, Conceptual And Methodological Foundations Of Contemporary Linguistics / _cBruce L. Derwing
250			_a1st edition
260			_bCambridge , _c1973
300			_a360
650			_aLanguage And Linguistics
999			_c170446 _d170446