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 - 1st ed.  "16 p. : col. ill., ; 18 cm. ; pbk." 
 - Oxford  Oxford University Press  2008 
<br/><br/><label>ISBN: </label>9780198473794 
<br/><br/><label>Dewey Class. No.: </label>371.3352 ELL  / 2.371.3352ELL