000 00486nam a2200181Ia 4500
008 141214s9999 sy 000 0 eng d
020 _a0-521-25974-6
100 _acambridge university press.
_96037
245 1 _alanguage acquisition\
_ccambridge university press.
250 _a2ed.
260 _agreat britian:
260 _bcambridge university press,
260 _c1992.
300 _a613p.;
300 _c24cm.
650 _alanguage acquisition.
_96216
942 _2ddc
_cBK
999 _c269307
_d269307