@inproceedings{54dff2fe29c3455d96425ae422feee8a,
title = "Origin and Timing of Formation of Precious Black Opal Nobbies at Lightning Ridge",
author = "Katie Dowell and John Mavrogenes and Bear McPhail and John Watkins",
year = "2002",
language = "English",
isbn = "1740880706",
pages = "18--20",
editor = "\{Ian C Roach\}",
booktitle = "Regolith and Landscapes in Eastern Australia.",
publisher = "CRC LEME",
edition = "Peer Reviewed",
note = "Regolith and Landscapes in Eastern Australia Conference 2002 ; Conference date: 01-01-2002",
}