1. https://kcdb.bipm.org/appendixC.
2. Small-capacity deadweight force standard machine compensating loading frame;Park;Measurement,2012
3. A new 10 N deadweight force standard machine;Hu,2017
4. A small force standard machine with air bearing support;Hu,2017
5. Development of a 0.1 N–100 N force standard machine;Medina,2015