附註:Letter addressed to Mr. Lawrence L. Thompson, General Deputy Assistant Secretary for Policy Development and Research, U.S. Dept. of Housing and Urban Development, Washington, D.C., from the National Research Council 's Committee on [sic] Oversight and Assessment of the Partnership for Advancing Technology in Housing (PATH). The purpose of the PATH program is to increase the performance and reduce the cost of U.S. housing through the synergy of public and private initiatives.