TY  - BOOK
AU  - Chapin, Ned.
TI  - Computers: a systems approach 
T2  - Computer science series
SN  - 0442215266
AV  - QA76.5 .C425
U1  - 510.78 
PY  - 1971///
CY  - New York
PB  - Van Nostrand Reinhold Co.
KW  - Electronic digital computers
N1  - Includes bibliographical references and index
ER  -