TY  - BOOK
AU  - Laurie, Edward J.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : IBM 1620, IBM 1401, IBM 650 
SN  - 2
PY  - 1963///46
CY  - Cincinnati
PB  - South-Western Publishing
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - IBM 1620 (Computer).;IBM 1401 (Computer).;IBM 650 (Computer)
KW  - sears;sears;sears0
N1  - Includes bibliography; 5
ER  -