000 00279nam a22001217a 4500
020 _a435289306
082 _a410 WAL
100 _aWallwork,J.F
245 _aLanguage and Linguistics
260 _aLondon:
_bHeinemann Educational Books,
_c1969.
300 _a184p.
942 _cBK
999 _c550883
_d550883