Desvignes, G., Caballero, R., Lentati, L., Verbiest, J., Champion, D., Stappers, B., et al. (2016). High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array. Monthly Notices of the RAS, 458, 3341-3380. doi:10.1093/mnras/stw483.