Proceedings of the Geologists� Association
Proceedings of the Geologists' Association > 2012 > 123 > 1 > 155-164
Proceedings of the Geologists' Association > 2012 > 123 > 3 > 500-507
Proceedings of the Geologists' Association > 2012 > 123 > 4 > 626-637
Proceedings of the Geologists� Association > 2017 > 128 > 3 > 332-339