TY  - BOOK
AU  - Orr,J.M.
TI  - Libraries a communiction systems
SN  - 0837189365
U1  - 020.1 ORR  
PY  - 1977///.
CY  - Westport : 
PB  - Greenwood Press, 
KW  - Library science
KW  - Communication
N1  - Includes index.

ER  -