Changing patterns in information retrieval:  proceedings : tenth annual National Information Retrieval Colloquium, May 3-4, 1973, Philadelphia, Pennsylvania ; Carol Fenichel, editor ; / 
sponsored by Colloquium on Information Retrieval, inc. 
 - Washington, D.C. :  American Society for Information Science,  1974 
 - 175 p. :  ill. ;  24 cm. 
<br/><br/> Proceedings of the previous colloquiums are found under National Colloquium on Information Retrieval, Philadelphia. 
<br/><br/><label>ISBN: </label>0877151067 
<br/><br/><label>LCCN: </label>75-325645 //r88 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems--Congresses<br/>Information science--Congresses