@article{Maritz:2016Pl, author = "Maritz, Jaques and Meintjes, Pieter and Buchner, Sarah", title = "{Constraining GW signatures in pulsar timing: A multi-frequency timing analysis}", doi = "10.22323/1.237.0005", journal = "PoS", year = 2016, volume = "FRAPWS2014", pages = "005" }