Cygwin is a Linux-like environment for Windows: www.cygwin.com

FLTK (pronounced “fulltick”) is a cross-platform C++ GUI toolkit for UNIX/Linux, Microsoft Windows and Mac OS X: www.fltk.org

MatLab is a commercial computing for algorithm development, data visualization, data analysis and numerical computation: www.themathworks.com

OpenScenGraph is an open-source high-performance 3-D graphics toolkit: www.openscenegraph.org

W. Leary, “Under Ice, Waldo Lyon and the Development of the Artic Submarine”, Number Sixty-two, Texas A&M University Military History, (2004).

R. Francois and T. Wen, “Use of Acoustics In Localizing Under-Ice Oil Spills”, OCEANS, Vol. 15, pp 16–20, (1983).

T. C. Zhao and M. Overmars, “Forms Library: S Graphical User Interface T oolkit for X,” University of Wisconsin Press, (1997).

G. C. Bishop and R. Shell, “Visualization of the Space-Time Properties o f High Frequency Under-ice Acoustic Scattering”, UDT-Europe, (2004).

D. Maxwell, and R. Shell, “TALOSS: Three-Dimensional Advanced Localizati on Observation Submarine Software”, Linux Journal, November 2003: /article/6978

R. Shell, L. Mathews, K. Lima, R. King, F. Das Neves, “Undersea Command and Control Visualization,” 22–26 July 2001, Proceedings of the Seventh Annual Joint Aerospace Weapon Systems Support, Sensors, and Simulation Symposium & Exhibition (JAWS S3), San Diego, CA 2001, p.8