000 00299nam a2200121Ia 4500
100 _aRichards, Jack C.
020 _a0-582-55044-0
942 _cBK
245 _aError analysis
_bPerspectives on second language acquisition
260 _aLongman, London
_c1974
082 _a428.3 Ric
300 _ax, 228
999 _c4845
_d4845