info:oai:utas.edu.au:4042info:ofi/fmt:xml:xsd:journalYouXPYou, XPHotanAWHotan, AWOrdSMOrd, SMJenetFJenet, FBhatNDRBhat, NDRTeohATeoh, AHobbsGHobbs, GColesWAColes, WAManchesterRNManchester, RNEdwardsREdwards, RBailesMBailes, MSarkissianJSarkissian, JVerbiestJPWVerbiest, JPWvan StratenWvan Straten, W237820070035-8711Dispersion measure variations and their effect on precision pulsar timingMonthly Notices of the Royal Astronomical Society493-506article