TY  - RPRT
TI  - Power lawn mowers : time-to-blade access
AU  - Ramey, A M
AU  - Persenky, J J
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-1299
DO  - 10.6028/NBS.IR.77-1299
ER  -