Schaeffer A C <br/><br/>
Coefficient regions for schlight functions. 
Schaeffer A C; Spencer D C 
 -  1950 
<br/><br/><label>Standard No.: </label>18151 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B38:92, J0