TY  - BOOK
AU  - Hellerman,Herbert
AU  - Conroy,Thomas F.
TI  - Computer system performance / 
SN  - 0070279535
U1  - 001.64044 23
PY  - 1975///
CY  - New York : 
PB  - McGraw-Hill
KW  - Electronic digital computers
KW  - Evaluation
N1  - Includes bibliographical references
ER  -