Hill, George W. <br/><br/>
Impact of non-sampling errors on weighed tract survey indicators /    
by George W. Hill and Martha S. Farrar 
 - Washington D.C. :   US Department of Agriculture,   1977 
 - iii, 24 p. :    ill. ;    27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling--------<br/>Survey--------
<br/><br/><label>Dewey Class. No.: </label>001.433