K. Soto, C. Martin, M. Prescott, und L. Armus. (2012)cite arxiv:1205.0083Comment: Submitted to ApJ. 12 Pages, 7 Figures, 1 Table. This is a companion paper to "Gas Excitation in ULIRGS: Maps of Diagnostic Emission-Line Ratios in Space and Velocity" by Soto & Martin 2012.