000 00544 a2200265 4500
001 131650
020 _a0-8047-0831-20
041 _aeng
080 _a4 Erv
245 _aLanguage acquisition and communicative choice.
250 _a
260 _aStanford
260 _bStanford Univ. Press,
260 _c1973
300 _axiv,383 p.
300 _c 23cm.
490 _a
100 _aErvin-tripp, Susan M
700 _a
650 _a
650 _aLanguage acquistion
650 _aBilingualism
942 _cBK
942 _2UDC
999 _c122811
_d122811