000 00000nam a2200000 a 4500
005 20251203091213.0
100 _aOchs, Elinor
_d_
245 _aAcquiring conversational competence
260 _aLondon
_bRoutledge & Kegan Paul
_c1983.
300 _a208 p.
_c22 cm.
_bPB
964 _b
_c
_d
_e
_f
_g_
997 _a37201 LIBSS C
999 _c33751
_d33751