000 00283nam a22001097a 4500
999 _c6541
_d6541
082 _a612.78 SCH
100 _aSchutte, Harm Kornelis
245 _aThe efficiency of voice production /
_cHarm Kornelis Schutte
260 _aSan Diego :
_bSingular
_c1980
300 _a194 p.
942 _cSTS