TY  - BOOK
ED  - Lehigh University. Center for the Information Sciences
TI  - Study of theories and models of information storage and retrieval
U1  - 010.78 
CY  - Bethlehem
PB  - Lehigh University
KW  - Document relations
KW  - Information storage and retrieval
N1  - Library has: Report no.7-Graphs and algorithms for term relations by D J Hillman, 1964; No.8-Structure of document relations by D J Hillman, 1964; No.9-Topology and document retrieval operations by D J Hillman, 1965
ER  -