Blake, Robert. <br/><br/>
Language for Meaning :   level red / 
Robert Blake.......(et al.); Hugh Schoephoerster (Consultant). 
 - Boston :  Houghton Mifflin Company,  c1978. 
 - 303 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0395254221 
<br/><br/><label>Dewey Class. No.: </label>410  / BLA