Allen, J. P. B. <br/><br/>
English in phisical science;  english focus 
J. P. B. Allen and H. G. Widdowson 
 - teaches ed. 
 - Oxford  Oxford university press  1974 
 - xxiii, 144p.  ill.  23cm. 
<br/><br/><label>ISBN: </label>0194375102 
<br/><br/><label>Dewey Class. No.: </label>428