Jacobs, Roderick A. <br/><br/>
English transformational grammar / 
Roderick A. Jacobs, Peter S. Rosenbaum 
 - Waltham, Mass. :  Blaisdell Pub.,  1968 
 - 294 p. :  ill. ;  24 cm. 
<br/><br/>p. 290-294 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar, Generative