00314nam a2200121 a 450000500170000002000150001708200150003210000170004724500560006426000250012030000260014563000210017120251202164120.0  a0521282527  a421.5bROA  aRoach, Peter  aEnglish phonetics and phonologyba practical course  aCambridgebCUPc1987  ax, 212 p.b22 cm.cHB  aEnglish language