Davis, James A. <br/><br/>
Elementary survey analysis / 
James A Davis. 
 - Englewood Cliffs, N.J.,   Prentice-Hall  c1971 
 - xi, 195 p. :  ill. ;  23 cm. 
<br/><br/>Incldudes index. 
<br/><br/><label>ISBN: </label>0132605473 
<br/><br/><label>LC Class. No.: </label>HN29  / .D38 1971