-- The U.S. Strategic Bombing Survey: European Theater of Operation
.-- Historical Overview of the South African Chemical Industry: 1896 - 1998
).-- Oil from Coal - Free! The Karrick LTC Process by Robert A. Nelson
.-- World Fuel Ethanol Analysis And Outlook by Dr. Christoph Berg
.-- Situation and Development Potential for the Production of Biodiesel by Dieter Bockey
.-- ХРОНОС