TY  - RPRT
TI  - Magnetic drum directory and programming system for codesorting letter mail 
AU  - Tosini, Peter C
PY  - 1960
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 50
DO  - 10.6028/NBS.TN.50
ER  -