[Boulder, Colo.] : U.S. Dept. of Commerce, National Institute of Standards and Technology ; Washington, DC : For sale by the Supt. of Docs., U.S. G.P.O., [2001]
2001
[Boulder, Colo.] : U.S. Dept. of Commerce, National Institute of Standards and Technology ; Washington, DC : For sale by the Supt. of Docs., U.S. G.P.O., [2001]
2001