Sorenson, E. Richard <br/><br/>
The retrieval of data from changing culture  a strategy for developing research documents for continued study. 

 - p. 177-186. 
<br/><br/>Reprinted from Anthropological quarterly, vol. 41, no. 3, july 1968 
<br/><br/><label>Index Terms--Genre/Form: </label>--Offprints