Herman, Gabor T <br/><br/>
Developmental systems and languages 

 - Oxford:   North-Holland Publishing Company,   1975 
 - xvi, 363p. 
<br/><br/><label>ISBN: </label>0-7204-2806-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages
<br/><br/><label>Subjects--Index Terms: </label>Auxiliary symbols Sequences Formal texts 
<br/><br/><label>Universal Decimal Class. No.: </label>D 003:576.75  / L3