TY  - BOOK
AU  - Fry (George)
AU  - Associates, Inc., Chicago
TI  - STUDY OF CIRCULATION CONTROL SYSTEMS
U1  - 025.6 
PY  - 1961///
CY  - Chicago
PB  - American Libray Association
KW  - Libraries -- Circulation Loans
KW  - Charging Systems (Libraries)
ER  -