TY  - BOOK
AU  - Wilkes,M.V.
TI  - Time-sharing computer systems
SN  - 0444195254 (American Elsevier) :
AV  - QA76.53 .W54 1975 .W54 1975
U1  - 001.6/44/04 
PY  - 1975///
CY  - London, New York
PB  - Macdonald and Jane's, American Elsevier
N1  - Includes index
ER  -