TY  - BOOK
AU  - Pearson,E.S.
AU  - 
TI  - Tracts for computers : 
U1  - 311.24/PET 
PY  - 0000///University Press
PY  - 1950///
CY  - Cambridge 
KW  - Comre, L.J.
KW  - computers
N1  - Includes index and bibliography.
ER  -