[1] LaPierre, Charles. "Navigational System for the Visually Impaired", fourth year project, Department of Electronics, Carleton University, (8 April 1993) http://www.jammys.netlapierre/nvi/index.html .
[2] LaPierre, Charles. "Feasibility Study for Sextant", Visuaide 2000. (2 September 1993) pg.6, 24.
[3] "Cars: GPS Introduction", Roadrunning. (No author cited) http://www.roadrunning.com/cars/gps.html
[4] Dr Mattos, Philip G., SGS-Thomson. "The integration of GPS into car navigation systems", Electronic Engineering, (Vol 69 No.850 October 1997). pp. 43-48.
[5] Horizontal Adjustment System, Berkeley University. (No author cited) http://epoch.cs.berkeley.edu:8000/sequoia/schema/html/saif/HorizontalAdjustmentSystem.html
[6] Hurn, Jeff. "GPS A Guide to the Next Utility". Sunnyvale, CA: Trimble Navigation Ltd. (1989). pp.38-46.
[7] Wells, David. "Guide to GPS Positioning" Canadian GPS Associates, (May 1987) pp.4.22 – 4.24.
[8] "Rough trip through the atmosphere", "Rough trip on the ground", Trimble Navigation Limited. (No author cited) [A leader in GPS technology] http://www.trimble.com/gps/howworks/aa_hw6.htm .
[9] Dentremont, Darren. "Inertial Guidance System", fourth year project, Department of Electronics, Carleton University, (8 April 1994).
[9a] Norling, Brian. "ACCELEROMETERS: CURRENT AND EMERGING TECHNOLOGY", Kinematics Systems in Geodesy, Surveying, and Remote Sensing, (Sept. 1990) pp.70-83.
[9b] Genberg, Stewart et al, "ACCELERATION SENSORS FOR SOLID STATE ELECTRONIC SAFETY AND ARMING DEVICES", International Journal for Hybrid Microelectronics, Vol:12 Iss: 3 (Sept. 1989), pp.126-138
[9c] Peters, Timothy J., "Automobile Navigation Using a Magnetic Flux-Gate Compass", Transactions on Vehicular Technology, Vol: VT-35 No: 2 (May 1986)
[9d] Kirlin, Clyde, "Compass of the Future", IEEE PLANS’88, pp.12-14.
[9e] Shurclff, William A. and Ballard, Stanley S., "Polarized Light", D. Van Norstrand Company Inc., (1964).
[10] "Accelerometer Data Sheets Application Notes and Worldwide Sales Directory", Analog Devices. (1995 REV A.) (No author cited) pp.6-9.
[11] "HC05 MC68HC705J1A Technical Data", Motorola. (1995 Rev. 1) (No author cited)
[12] "Vector 2X Compass Module Application Notes", Precision Navigation, Inc. Version 1.03 (January 1996) (No author cited)
[13] Judd, Tom. "A Personal Dead Reckoning Module", Point Research Corporation, [paper presented at the Institute of Navigation's ION 97, 9/97, Kansas City, MO] http://www.pointresearch.com/ionpaper.htm
[14] George, Scott. "HC05 MCU Software-Driven Asynchronous Serial Communication Techniques Using the MC68HC705J1A", Motorola. (1995 AN1240/D).
[15] Arnold-Ince, Kasey. " Atlas Speaks User's Guide", Arkenstone Inc. (1995), p 16, pp.77-81, pp.87-89.
[16] "OEM 4000 -- High Performance, credit card size, FM receiver for Differential GPS embedded applications.", Differential Corrections Inc.. (No author cited) [A leader in DGPS technology] http://www.dgps.com/oem4000.htm .
[17] "Lassen SK8 -- Performance Specification", Trimble Navigation Limited. (No author cited) [A leader in GPS technology] http://www.trimble.com/products/specs/frm_om06.htm .
[18] "Lassen SK8 -- Miniature 8-channel receiver board", Trimble Navigation Limited. (No author cited) [A leader in GPS technology]
http://www.trimble.com/products/catalog/wireless/lassen.htm .