American Society of Mechanical Engineers Fuels Handling, Transportation and Storage Technical Committee, Joint Power Generation Conference, & Mahr, D. (1989). Handling low-grade coal: Fundamentals and applications : presented at the 1989 joint power generation conference, Dallas, Texas, October 22-26, 1989. American Society of Mechanical Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Society of Mechanical Engineers Fuels Handling, Transportation and Storage Technical Committee, Joint Power Generation Conference, και Daniel Mahr. Handling Low-grade Coal: Fundamentals and Applications : Presented at the 1989 Joint Power Generation Conference, Dallas, Texas, October 22-26, 1989. New York: American Society of Mechanical Engineers, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)American Society of Mechanical Engineers Fuels Handling, Transportation and Storage Technical Committee, et al. Handling Low-grade Coal: Fundamentals and Applications : Presented at the 1989 Joint Power Generation Conference, Dallas, Texas, October 22-26, 1989. American Society of Mechanical Engineers, 1989.