TY - JOUR AU - Michael Lombardi C2 - IEEE Instrumentation and Measurement Magazine DA - 2011-10-01 LA - en M1 - 14 PB - IEEE Instrumentation and Measurement Magazine PY - 2011 TI - The Evolution of Time Measurement, Part 2 - Quartz Clocks UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=908250 ER -