Exploring and Using the Space Environment. A Different Approach (PDF)
Author Andrew W. V. Clark.
Published in the proceedings of the 37th. Space Congress, Cocoa Beach, FL May 1 - 5, 2000. This paper describes some of the concerns that Space Frontier Operations, Inc. (SFO), has about space exploration and describes some of the initial results of studies being undertaken at SFO to further the exploration of space. It also lays out SFO's Space Exploration Plan (SEP).

Innovative Financing of a Large Space Project (PDF)
Authors George R. Tyson and Andrew W. V. Clark.
Published in the proceedings of the 38th Space Congress, Cocoa Beach, FL May 1 - 3, 2001.This paper describes the way in which the SEP fits into the standard protocols used by the finance industry including the use of complementary companies.

A New "Old Way" to Space: Taking the Best from the Past to Forge Ahead Into the Future (PDF)
Author George R. Tyson
Published in the proceedings of the 39th Space Congress, Cocoa Beach, FL April 29 - May 3, 2002. This papers shows how parts of the SEP are very similar to past plans of Herman Potocnik, Wernher von Braun and NASA. Authors Note: Due to continued work on the concept Some of the dimensions for the SEB and HLV changed between the writing of the paper and the presentation at Space Congress. Refer to the presentation for the latest figures.