D. van Westrum

Measurement of the charged pion electromagnetic form factor.

K. Assamagan, O. Baker, J. Mitchell, 2000, Physical review letters.

Simultaneous gravity and gradient measurements from a recoil-compensated absolute gravimeter

R. Billson, T. Niebauer, F. Klopping, 2011 .

CCM.G-K2 key comparison

Brian Ellis, Gang Li, Hua Hu, 2015 .

The self-attraction correction for the FG5X absolute gravity meter

Timothy M. Niebauer, Derek van Westrum, Ryan M. Billson, 2013 .