TY  - RPRT
TI  - On characterizing master involute profiles 
AU  - Erber, Edgar G
AU  - Norden, B Nelson
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-272
DO  - 10.6028/NBS.IR.73-272
ER  -