1. TRIAGG: Triangular probability distribution aggregation for petroleum resource assessment;Crovelli;U.S. Geol. Survey Open-File Report 89-483-A,1989
2. Potential supply of natural gas in the United States (31 December 1988);Potential Gas Agency,1989
3. Probability theory versus simulation of petroleum potential in play analysis;Crovelli,1987
4. FASP, an analytic resource appraisal program for petroleum play analysis;Crovelli;Computers & Geosciences,1986
5. FASPUM Metric Version—analytic petroleum resource appraisal microcomputer programs for play analysis using a reservoir-engineering model;Crovelli;U.S. Geol. Survey Open-File Report 87-414A,1987