An investigation of simultaneous motions as treated in the methods-time measurement system; a progress report.

Mode of access: Internet.

Measurement of dispersion and coalescence (disengaging) time : a literature search /

"Feed Materials Production Center, National Lead Company of Ohio"--Cover.

The national measurement system for time and frequency /

"CODEN: XNBSAV."

A time scale for measuring the adaptability of school systems with an instrument, scoring method and standards for the measurement of such adaptability,

Mode of access: Internet.