Federal real property management : obstacles and innovative approaches to effective property management : joint hearing before the Subcommittee on Government Management, Information, and Technology of the Committee on Government Reform and the Subcommittee on Subcommittee on [as printed] Economic Development, Public Buildings, Hazardous Materials, and Pipeline Transportation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Sixth Congress, first session, April 29, 1999.