Proceedings of the Geologists� Association
Proceedings of the Geologists' Association > 2004 > 115 > 3 > 221-234
Proceedings of the Geologists� Association > 2016 > 127 > 2 > 132-145
Proceedings of the Geologists� Association > 2016 > 127 > 2 > 172-188
Proceedings of the Geologists� Association > 2017 > 128 > 4 > 636-658