000 00330nam a2200133Ia 4500
001 185114
008 170722s9999 xx 000 0 und d
020 _a9780521121750
100 _aCrystal, David
245 _aLanguage death /
260 _aNew Delhi :
_bCambridge University Press ,
_c2009.
300 _ax+198
942 _cGEN
999 _c169646
_d169646