![Timing Observations of Four Millisecond Pulsars with the Arecibo and Effelsberg Radio Telescopes]()
Timing Observations of Four Millisecond Pulsars with the Arecibo and Effelsberg Radio TelescopesWolszczan, A.; Doroshenko, O.; Konacki, M.; Kramer, M.; Jessner, A.; Wielebinski, R.; Camilo, F.; Nice, D. J.; Taylor, J. H. · The Astrophysical Journal · 2000