Profiting from the past: Are fossils a sound investment?
Hippensteel, S., and S. Condliffe. 2013, Profiting from the past:
Are fossils a sound investment? GSA Today, vol. 23, no. 8, pp. 27-29.
Full text - http://www.geosociety.org/gsatoday/archive/23/8/article/i1052-5173-23-8-27.htm
PDF file - http://www.geosociety.org/gsatoday/archive/23/8/pdf/i1052-5173-23-8-27.pdf
Yours,
Paul H.
