United States Postal Service procurement manual

Corporate Author:: United States Postal Service. Procurement Policies and Programs Division
Published:: Washington, D.C. : Procurement Policies and Programs Division, Procurement and Supply Dept., U.S. Postal Service Headquarters, [1987-]
Washington, D.C. : [Supt. of Docs., U.S. G.P.O., distributor].
Physical Description:: 2 volumes (loose-leaf) : forms ; 30 cm
Additional Creators:: United States Postal Service