Emelius, C.H. and Bell, B.R (2004). The Palaeogene Volcanic Districts of Scotland. Nottingham: British Geological Survey, 4th ed
Emelius, C.H. and Bell, B.R (2004). The Palaeogene Volcanic Districts of Scotland. Nottingham: British Geological Survey, 4th edition. 214 + x pp. and folded map in rear pocket. Paperback. Map: Bedrock Geology of the Palaeogene Volcanic District of Scotland and Adjacent Areas’. 1:625,000, 55 x 36cm folding to 20 x 12cm. All in as new condition.