Jacobi, Henry N. <br/><br/>
Building your best voice / 
Henry N. Jacobi 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1982 
 - 271p. :  ill. ;  21 cm. 
<br/><br/><label>LCCN: </label>82-000027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice cultures