1. API and others, 1967–80, Reserves of crude oil, natural gas liquids and natural gas in the United States and Canada: v. 21–34, variously titled and paginated.
2. Production-history projections of fuels and some crucial metals in the United States;Arndt;Energy,1977
3. The estimation of uranium resources by lifecycle or discovery-rate models; a critique;Harris;Energy Res. Dev. Admin. Publ.,1976
4. Conventional crude oil resources of the United States: Recent estimates, methods for estimation, and policy considerations;Harris;Materials and Society,1977
5. M. King Hubbert's Reply to J.M. Ryan;Hubbert;Jour. Petroleum Tech.,1966