Interim technical progress report : technical evaluation services, clean liquid and/or solid fuels from coal :
interim report for period October 1972-August 1974 /
prepared by the Ralph M. Parsons Co., Pasadena, Calif. for U.S. Dept. of the Interior, Office of Coal Research.

APA Citation

Ralph M. Parsons Company., United States. Office of Coal Research. (1974). Interim technical progress report : technical evaluation services, clean liquid and/or solid fuels from coal: interim report for period October 1972-August 1974. Washington: U.S. Dept. of the Interior, Office of Coal Research.

MLA Citation

Ralph M. Parsons Company, and United States. Office of Coal Research. Interim Technical Progress Report : Technical Evaluation Services, Clean Liquid And/or Solid Fuels From Coal: Interim Report for Period October 1972-August 1974. Washington: U.S. Dept. of the Interior, Office of Coal Research, 1974.

Warning: These citations may not always be complete (especially for serials).