Deep Space Navigation Concept Map - http://cmex-www.arc.nasa.gov/CMEX/Deep%20Space%20Navigati.html Process flowchart from the Center for Mars Exploration.
Spacecraft Navigation - http://www.jpl.nasa.gov/basics/bsf13-1.html Chapter on navigation techniques used from The Basics of Space Flight by the California Institute of Technology.
Space Future - Some Aspects of Space Navigation Law - http://www.spacefuture.com/archive/some_aspects_of_space_navigation_law.shtml Treatise from the Japanese Rocket Society on the proposed regulatory framework for commercial space activities.
How Does a Spacecraft Get to Where Its Going? - http://www.qrg.northwestern.edu/projects/vss/docs/Navigation/zoom-get-going.html Discusses how and when spacecraft are maneuvered and the effects of small navigational errors.
