%0 Journal Article %T Is the sulphur anomaly in planetary nebulae caused by the s-process? %A Shingles, Luke J. %A Karakas, Amanda I. %J Monthly Notices of the Royal Astronomical Society %V 431 %N 3 %P 2861-2871 %@ 0035-8711 %D 2013-05-21 %I The Royal Astronomical Society %~ DeepDyve