Albers, J. (1995). HOTPAC, programs for thermal analysis including version 3.0 of the TXYZ program, TXYZ 30, and the thermal multilayer program, TML. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O..

Albers, John. HOTPAC, Programs for Thermal Analysis Including Version 3.0 of the TXYZ Program, TXYZ 30, and the Thermal Multilayer Program, TML. Gaithersburg, MD : Washington, DC: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1995.

Albers, John. HOTPAC, Programs for Thermal Analysis Including Version 3.0 of the TXYZ Program, TXYZ 30, and the Thermal Multilayer Program, TML. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1995.