TY - BOOK AU - Leuschner,A.P. AU - West,C.E. AU - Ashare,E. TI - Assessment of secondary residues: engineering and economic analysis U1 - 330.973 PY - 1981/// CY - Washington, D.C. PB - U.S. Government Printing Office KW - Economic situation KW - United States KW - Economic development N1 - Final report ER -