TY - BOOK AU - Shultz,David W. ED - Proceeding of the Seventh Annual Research Symposium ED - United States. TI - Municipal solid waste: resource recovary : Proceeding of the Seventh Annual Research Symposium at Philadelphia, Pennsylvania, March 16-18,1981 U1 - 628.440973 23 PY - 1981/// CY - Washington, D. C. PB - United States Government Printing Office KW - Refuse and refuse disposal KW - United States KW - Factory and trade waste ER -