(26 January 2012), The Best-Selling Cars of All Time, Fox Business, http://www.foxbusiness.com/industries/2012/01/26/best-selling-cars-all-time/#ixzz1knEw51HI ↑ "Comparing the Battery with other Power Sources". Battery University. සම්ප්‍රවේශය 2011-07-23.↑ "How do the engines breathe in diesel submarines?". How Stuff Works. 24 July 2006. සම්ප්‍රවේශය 2011-07-22.↑ "Coal and the environment" (PDF). Kentucky Coal Education. සම්ප්‍රවේශය 2011-07-22.↑ "Historical Timeline". NASA. සම්ප්‍රවේශය 2011-07-22.↑ NEMA Design B electric motor standard, cited in Electrical Motor Efficiency Retrieved 2011-07-22.↑ "The Reason for Rear-Wheel Steering". ThrustSSC Team. ThrustSSC Team. සම්ප්‍රවේශය 2011-08-08.↑ "B-52 Stratofortress Design". Globalsecurity.org. Globalsecurity.org. සම්ප්‍රවේශය 2011-08-08.↑ "Flight Crew Training Manual – Brake Units". Boeing. Biggles-Software. සම්ප්‍රවේශය 2011-08-07.↑ "Landing gear system". NASA. 31 August 2000. සම්ප්‍රවේශය 2011-08-07.↑ Jennifer Schykowski (2