TY - BOOK AU - Vasalos,A. AU - Bild,E.M. AU - Tatterson,D.F. ED - United States. TI - Study of ebullated fluid dynamics for H. coal: quarterly progress report no. 4 for Sept. 1- Nov. 30, 1978 U1 - 333.79160973 PY - 1979/// CY - Washington, D.C. PB - U.S. Government Printing Office KW - Energy conservation KW - United States KW - Energy policy N1 - Research and development department ER -