@MASTERSTHESIS{Alvarado2000Natural,
  author =	 {Christine Alvarado},
  title =	 {A Natural Sketching Environmant: Bringing the
                  Computer into Early Stages of Mechanical Design},
  OPTschool =	 {Massachusetts Institute of Technology},
  school =	 {MIT},
  year =	 {2000},
  OPTaddress =	 {Cambridge, MA},
  OPTkeywords =	 {Domain Sketch System}
}