TY  - BOOK
ED  - Fenichel, Carol
TI  - Changing patterns in information retrieval : tenth annual national information retrieval colloquium May 3-4, 1973 Philadelphia, Pennsylvania
SN  - 0877151067
U1  - 029.7 
PY  - 1974///
CY  - Washington D.C.
PB  - American Society for Information Science
KW  - Information retrieval systems--Congresses
N1  - Includes index
ER  -