TY  - BOOK
AU  - Langacker, Ronald W.
TI  - Language and its structure : : some fundamental linguistic concepts / 
SN  - 0155491911
U1  - 410 LAN  
PY  - 1968///.
CY  - New York : 
PB  - Harcourt, Brace & World, Inc., 
KW  - Language and languages
KW  - Linguistics
N1  - Includes index.
ER  -