Balm, L.H. <br/><br/>
The new trigonometry on your own 
<label>/ by </label> Balm, L.H. 
<label>;</label> Graesser, R.F. <label>;</label> Kanner, H.J. 
 - Paterson, N.J.  Adams and Co.  1964 
 - vi,136p.  ill  20 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>514  / B